The world is the reality that it is — schopenhauer1
because...
There will always be unwanted pains in the world — schopenhauer1
The world imposes on us the needs of survival and unwanted pain in a certain environmental and cultural constraints — schopenhauer1
Our individual wills impose upon ourselves the need to transform boredom into goals and pleasure — schopenhauer1
These "truths" are independent of one's general temperament — schopenhauer1
One cannot choose to turn off their needs and wants- they are a part of their situation — schopenhauer1
and
The counterarguments that one can just think their way out of the situation seem to not work — schopenhauer1
I not only find each of your statements to be true (rearranged slightly) but taken together they are also true.
Does that make me a crypto philosophical pessimist? Maybe, but I am disinclined to take the additional step of concluding: Given that the world offers an inconsistently unsatisfactory arrangement, is it reasonable to voluntarily discontinue the species, non-breeding pair by non-breeding pair?
The key to my unwillingness to take this step is located in the phrase "inconsistently unsatisfactory". The world is also
inconsistently satisfactory.
There will be unexpected pleasures in the world.
The world imposes on us the needs of survival and the possibility of realized dreams within certain environmental and cultural constraints.
"Our individual wills impose upon ourselves the need to transform boredom into goals and pleasure".
"These "truths" are independent of one's general temperament".
"One cannot choose to turn off their needs and wants- they are a part of their situation".
While granting the truth of your several points, it does not require a wholesale rejection of everything you said to place one's self CAUTIOUSLY on the side of philosophical optimism.
A Caveat:
For many people, possibly for most people, it is possible that global warming could make the world uninhabitable.
If the following happens,
Oceans rise; crops consistently fail where they were previously reliable; day-time temperature becomes intolerably hot to work outside; insect-borne diseases kill off animals, plants, and necessary insects; marginal areas become uninhabitable; inhabitable areas become marginal; inhabitable zones change faster than animals, plants, and insects can adapt (including humans); the cocoon of culture and civilization is inadequate to guide collective planning, and I were in a position to decide, I might conclude that further reproduction of our species was inadvisable.
But then, think back over the last 20,000 years of human life, a period in which we were then as we are now (modern humans): A million year ice age was coming to an end. (There had been about a mile-thick layer of ice over the northern half of North America, like where I live now.) Its melting revealed a landscape that had been scrapped down to bedrock or had been covered up with a geologically significant layer of mud. This is about the time people arrived in North America. They stayed to the west and south, out of necessity. The same conditions applied to Eurasia. We managed to subsist there, along with the Neanderthals. It was fucking cold, windy, unpleasant.
Philosophical pessimism must surely have been common at the time.
But you know, the ice melted; soil reformed; the philosophically pessimistic and grubby Neanderthals died out, along with the mastodons and giant predators that had been eating us. The weather warmed up and eventually life got quite pleasant again, at least compared to living in the tail end of the ice age. A few thousand years later, there was The Renaissance and The Enlightenment and here we are.
We survived ice; whether we will survive fire, don't know.