↪boethius are you averse to including evidence/sources with your posts? — Changeling
I should have time today to look for sources, I'm not sure what sources you want.
One reason I try to avoid posting sources is simply that leads to accusations that the source is biased. This isn't a journalist forum, but more focused on argument, so I try to keep to arguments of the form "if the premises are true, the conclusions follows" and let people makeup their own mind about the premises. However, I'm not against sourcing, just takes a lot of time and, as
@ssu has pointed out, there's a big fog of war element, we can only speculate about a lot of stuff; things can deteriorate rapidly in warfare.
That being said, for the foundation of my analysis of simply what conventional warfare is like to assess the battle field as best we can, since a lot of decision making depends on whether you think Russia will win or lose. Now, we can't really know Ukraine's prospects for victory, but presumably the Ukrainian leadership knows and NATO countries also know more than us. We criticize the Nazi's and Japanese for not surrendering to avoid unnecessary loss of life when there were no more prospects of victory--I see no reason why that criticism only applies to them because "they're bad". The "right" to fight to the death doesn't mean that's the best decision to make; just like if a bunch of ex-marines invaded your home, fighting back depends on A. prospects of victory regardless and B. if it's an existential threat (if they are there to torture, sry "enhanced interrogation" you, and then murder you then fighting back is a good decision if no one's coming to help ... but if they just want your frozen pizza's because the store ran out and then they'll be on their way, a low-odds fight to the death maybe isn't the best decision).\
Likewise, for the EU, supplying arms and hitting with sanctions isn't morally justifiable if it just results in more people killed and undermining European security for the next several decades. If the only possible resolution of the conflict is diplomatic, then that should be the focus. If there is a impasse in the talks (and Ukrainian negotiators being executed as "spies") then the EU could step in and offer things to Russia and also Ukraine and protect negotiators from being executed etc.
The current problem in the negotiations is Russia is already asking essentially the minimum that it won't possibly make any concessions on. However, the EU could not only offer things to Ukraine for also offer things to Russia who then offer "something" to make the settlement more sellable to Ukrainians.
Being in the EU already may simply motivate Ukraine to keep fighting from the West for several decades, which isn't really good for Ukrainians nor the EU.
Of course, diplomacy requires some evaluation of the war situation. If we think Russia is really, or then Russian leaders perceive, in a bad spot one negotiation strategy follows from that assumption. If Russia is actually getting what it wants the hard way and, at least leadership, perceives no risk of military loss or social upheaval in Russia, then a different negotiation strategy follows from that. If what Western media repeats as "super bad for Russia" is viewed by Russian leadership as a good thing (maybe they actually want a break with the West, but couldn't do that themselves as the Russian people would actually revolt about that, but if the West does it, that's grand; likewise, maybe Putin wants all Oligarch wealth to be seized by the West as it's wealth outside of Russia that is laundered around in corrupt schemes ... which Putin doesn't necessarily want corruption; you don't need corruption if you control the government, everything can be done "legally").
So, there is a purpose for evaluating the war situation and how Russian leadership and ordinary Russians perceive things, nor merely intellectual brainstorming.
A good source to start with is I found this Candian artillery youtuber with a lot of military analysis made before this war, and who has stated he cannot comment on the war due to Canadian Forces policy. So, all this material made before the war is presumably not biased towards Russia or Ukraine, and he is not commenting what he thinks now, so the channel doesn't promote one side or another.
This video is a bit long, but I think gives a real good feel for how hard and how much skills is required to be an effective infantry soldier.
One really important part, is the short bit about the positioning of trenches; takes significant skill for senior commanders to decide where to send soldiers to dig in, the strategic purpose, and then there's a chain of decision making all the way down to the squad leader positioning individual trenches and even then soldiers themselves deciding all sorts of details as seen in the video.
I think anyone who looks at this source will get a good feel for my view that handing out small arms to civilians is just killing people for no military justification. People with rifles will be fired upon by mortar and artillery, bombs dropped on them etc.
It takes significant experience and skill to a) always be hiding in a battle situation and b) have some idea if you're safe or not. Observers can sneak anywhere and order strikes from artillery tens of kilometres away, and observers then see where the shells land and send back corrections. Observers we rarely see talked about in the media, but are basically have the same sneaking around skill set as snipers, just an additional skill of knowing better where they even are and what direction their looking at and the distance to things they're looking at.
What the video also shows is the level of vulnerability of the soldiers when they first reach this position compared with the stage 6 trench they have built at the end. The combat effectiveness or "force multiplier" of the trench is several orders of magnitude. Of course, trenches don't move, so infantry can't bring this force multiplier with them to assault an enemy position. The tank is basically a trench that you can take with you.
Without serious armor and supporting artillery fire, and ideally air support as well, it's basically impossible for infantry to assault a well dug in position by themselves (why WWI resulted in one giant stalemate for so long).
Hence, we do see a lot of chaos in the East of Russian troops maneuvering around and they can be ambushed and harassed. However, if the strategy is to encircle the entire East, then the North-West and South-West pincers are being well dug-in as they go, and it really seems to me that Ukrainians can't do much about that with just infantry.
In particular any sort of conscript or civilian given a rifle, will have essentially zero effectiveness in any offensive maneuver. Infantry (alone) do have a few offensive maneuvers they can do, but it will almost always involve a "long sneak / death march" to arrive somewhere the enemy simply doesn't expect. This requires a high level of sneak skill, strength and endurance to carry stuff (weapons, ammo, food) many kilometres and still be effective enough to take enemy position; the utility of such maneuvers is also extremely limited as without armor infantry simply can't go very far and very fast, so even if you do take some enemy positions you can't really follow through to rout the enemy rear positions. If you look at a map of Ukraine and think about how far you can actually carry heavy stuff in a day, you'll get a feeling for the limitations of infantry maneuvers. Why armor is so effective at offensive maneuvers starts with simply being able to get to the battle in a reasonable amount of time; the difference in maneuverability is basically exactly the same as if you decided to do everything by walking instead of car or public transport for the next week.
And, once you have armor you have significantly more logistical problems: armor needs fuel and heavy ammunition. You can send someone with a bunch of food and a buddy with a bunch of ammo to resupply a whole infantry unit for the day, and these people will be hard to spot and difficult to kill even if you do spot them from the air; but you can't resupply tanks and armored personnel carriers and armored artillery on foot, so you need fuel and ammo trucks which can't just sneak around in the woods and marshes.
Likewise, why armor is so effective at counter offensives as well. If you look at a map of Ukraine and you imagine a position on a defensive line 20km away coming under assault ... if you have to walk there with your weapons, ammunition, food, it will take you the entire day and the whole battle maybe over by the time you get there. Ok, you can hop in a civilian car and drive there ... by any artillery or air strikes at all on the road between here maybe impassible to a civilian vehicle and if you some under artillery fire on the way, a civilian vehicle won't offer much protection.
Whereas having an APC solves a lot of problems compared to a civilian vehicle, and also can carry way more ammunition and brings along it's own machine gun and cannon that maybe useful too. However, even if the APC is immediately disabled when arriving at the battle, ATMG's are unlikely to just kill everyone inside (far more likely to be disabled than be totally destroyed), so the infantry can get out are "fresh" for the fight; if the area is secured, of even not, there maybe still a whole bunch of supplies in the APC that are incredibly useful for continuing the operation (conventional warfare, even by infantry with unmounted arms, consumes large amounts of ammunition, super difficult to resupply on foot whereas one APC arriving, even if immediately disabled, may still provide a significant amount of ammunition).
One last note, when we see online videos of tanks being hit by ATGM's, the large explosion can be the reactive armor working as intended, and super long ATMG shots can easily be at decoys.
Disabling an armored vehicle is not the same as killing everyone inside, and if the crew survives, Russia has plenty more armored vehicles. Even when we see totally destroyed armor, this could still be blown up sometime after the vehicle was disables and the crew escaped. Vehicles can be disabled by just driving over the wrong thing, but it is the skilled crew that is far more valuable than the vehicle. There are weapons that can completely obliterate a tank and everyone who dwells within the tank, but they are heavy weapons and not shoulder mounted ATGM's.
But the main thing to be taken away from the trench video, is that that's how to effectively use conscripts, and still requires learning how to dig and fortify a trench and experienced professionals deciding where it's useful to send people to dig trenches, and out of shape conscripts are going to need a lot of time and experienced sergeants regularly checking in on them to yell at them.
So, if you mobilized a month before an invasion you can secure a lot of positions and lazy out of shape middle-managers can even get in shape a bit.
And, once you've dug one trench, this in no way prevents digging more! You can then leave a tiny garrison in your front line trenches and have everyone else go dig a second line, third line, etc. You don't really ever get to the end of trench digging. No one has ever said "this is it, this is the last trench to dig".