Sisyphos is an educated man as he is son of Aiolos and king of Corinth. So long as he accepts that there is nothing more to life than his absurd struggle, then he can find happiness in it, says Camus. He may be the ideal absurd hero, as his punishment is representative of the human condition: Sisyphus must struggle perpetually and without hope of success.
I think he happy no matter where he ends up :)
Capitalism and extreme poverty: A global analysis of real wages, human height, and mortality since the long 16th century (https://doi.org/10.1016/j.worlddev.2022.106026)
Keeping people just healthy enough to not die usually works fine. Big diseases like the COVID19 pandemic disrupt the gobal economy and supply chains, which slims profits. In this mode of just healthy enough to expand profits “fewer deaths from preventable disease every decade” is a given. But true prevention of health issues through rigorous environmental conservation and enforced protection and offering free, extensive and immediate healthcare to all citizens just will not happen.
To your last point: “more access to information for more people every decade” - true, but that doesn’t mean anything if people having access to this vast amount of information do not have had lessons (and need to be constantly reminded of them) in critical thinking towards media consumpion. This tabula rasa approach to letting people use the internet is just ripe to be exploited by phsychological manipulators, as we can observe on a daily basis.
Sorry to be the pedantic one, given then topic of this thread, but the points you named coincide with the talking points of status quo advocates and can all be proven to be untrue or misdirecting at the least.