You’re right. Rape probably has a lot to do with this. One tribe conquers another on the battlefield, slaughters all the males and rapes all the females and thus the conquerors get their y-chromosomes more concentrated into the future.
Just because a prehistoric behavior — polygamy, rape — was prevalent before civilization existed doesn’t mean it’s desirable in the civilized world.
Look what polygamy does to the Muslims. Makes slaves of women and creates a permanent underclass of hopeless men willing to blow themselves up at the slightest provocation.
Polygamy is part of our evolutionary past? Most likely. But then, so, probably, is murdering the male offspring of your competitors. Should we revive that one too?
We don’t organize society according to how the apes and Neanderthals and “Lucy’s” did things.
Sheesh.
Nowhere was it advocated. Neither was polygamy.
It was just an observation of events that led to the changing of the gene p.