Because what's the point if they aren't? Seriously, why else would men be so lacking in empathy, emotional intelligence and willingness to commit to a deep relationship? Because those things get in the way when your way of life is killing and dying! It's entirely possible that what I suggested was part of the 'natural human' hunter-gatherer way of life. It is observable and endlessly proven that when men and women live together in equal numbers, women get abused. Therefore, it is arguable that it is the living together that is the root of the problem.