I would imagine most societies would look sort of like Germany or Japan, but the real question is which widespread social norms are directly or indirectly caused by endemic and widespread Neurotypical Disorder, as well as what those social norms would be replaced by
For example, I would expect the attached poster to not exist for various obvious reasons. But how do you think an autistic society would handle the indication of listening/attentiveness?
One of my closest friends is autistic af. You described him to a tee. Doesn't give two shits about money outside the practical need for it, and a highly skilled illustrator who pretty much spends his life drawing. Values his skillset more than anything else.
Also dude remembers history books and TV series plots like nobody's business. Never a dull moment with him around. Occasionally annoying cause he really doesn't know when to shut up (not his fault, I know), but most of the time I enjoy pretty much just letting him private podcast while I provide commentary.
Honestly this also describes my life. I don't own a lot of things, my MTG decks suck ass, and my family really has to push me to upgrade any of my devices. My life is slow-paced and I am happy