

If being dominant and assertive has been key to reproductive success among men for a long time
Not necessarily. Historically, once you get too many "dominant and assertive" men in close proximity, they start to kill each other. Their reproductive success is conditional on not being dead and in evolutionary terms that condition ceased to be very important only a moment ago.
Their reproductive success is conditional on not being dead and in evolutionary terms that condition ceased to be very important only a moment ago.
It's still pretty important, it's not like modern homicide rates and ancestral homicide rates are totally incomparable. Even if you don't get killed, gangsters are at risk of going to prison, and I hear prison is not a good place to meet girls.
But there's a lot of room between "weak, emotionally-manipulated, directionless sheep" and "violent enough to be at risk of getting killed or jailed&quo...