The self-evidence of power of gender, sex, appearance, origin, occupation, abilities, knowledge etc. whatever the reason is that we without hesitation use to benefit ourselves and over and over think is our right to use against someone else, assets and qualities as tools of oppression and hierarchy. To gain and show power being the reasons to act. How sex is the obvious strong or weak, because we learn to think so. Women are like that and do things like that, think in a certain way. Obviously we are not very open in our thinking what a human can be. We get stuck with our genitals, which are huge obstacles in doing whatever. To the question of how much we actually use of our brains, we like to follow familiar and traditional paths instead of finding new ones just like that.