In addition, it means that when aggressive males manage to kill themselves off, their cultural influence does not die with them, but persists and can be relearned by future generations. Which means we're worse off than baboons.

Specifically, I'm thinking of the theory that European post-WWII Social Democracy is a consequence of two world wars in 30 years decimating the male minitaristic elite. But the effect of that did not survive the coming of age (1980s) of the generation born after WWII (1950s), because they could learn toxic culture from the "classic" writings of dead people.

A society committed to the notion that government is always bad will have bad government. And it doesn't have to be that way. — Paul Krugman