For reasons of space (and finger ache) I did not attempt to trace the development of male violence from the Stone Age to the present! I do not deny that another form of society (eg matriarchal) would reduce it, but I wrote from my experience of patriarchal life in UK.
I refer back to when cavemen hunted for food, so they had to be violent to survive. Now this behaviour is rare, and most men survive with non-violent jobs. However the violence can still be released, either as "pure" violence (eg fighting other men) or as sexual violence (we still talk of...