Nature tried feminist societies out...they didn't work out very well. If they had they would be more widespread. The bonobo monkeys are doomed if they have to compete with other monkeys in a time of limited resources and food scarcity. Game over. But they'd get a lot of action until they all died out.

Celibate societies such as the Shakers never worked out either. Wonder why...

male bonobos are much stronger than the females. When food actually does get scarce even the weakest males will beat the shit out of the females to get it. Female bonobos tend to fight in packs and can beat the male ones as long as there are many of them against only one.