The recommended book The Dawn of Everything looks interesting. I’ll have to add it to my reading list.
There are other forms of political economies without hierarchies.
Would you mind giving some examples of them?
I was using human nature as a catch all term for how humans act on a population wide scale in our current society. I think the term status seeking fits better than selfish. Status seeking behavior is essentially seeking power within a hierarchy. It often is selfish, but isn’t necessarily.
Most people in a society and in an organization aren’t status seeking or selfish, but those few who are status seeking are rewarded by the going up the hierarchy faster relative to their peers.