Hierarchy works well in a stable environment.

Enclave life becomes very tense, Even when they do elect a leader, the factions remain, with the threat of splitting off.

Religion can make it worse. Are you supposing that if people were encouraged to believe in a transcendent reality, and to be encouraged by grand rituals and music and preaching, to love their neighbors, then they would put jealousy and frustration aside?

Pretensions to moral superiority are devastatingly destructive.

Inequality can have a bad downside, but equality, for its part, sure does get in the way of coordination.

Our technological infrastructure alienates us from each other. No need to form a workplace community, everybody there will be out in a year or two, and so will you, looking for a better place.

Behind a leader there must be followers, but they should always be on the lookout for the main chance and ready to change sides if the current leader doesn't deliver.