Male Dominance and Evolution

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Primitive small groups were generally a bit larger than 50 but about 250 seems to be maximum community size.  They generally were egalitarian or matrilineal.  The dominant male seems to be an artifact of larger groups in war prone areas usually religious wars.  

The animal kingdom is a lot more varied than at first studied by male dominant biologists.  It is frequently the alpha female that runs the group while the impressive male is relegated to a protection or territorial role.  Even then the "fighting" is a ritual to practice defense rather than a quest for dominance.  And generally the alpha female decides who mates with whom. E.g.  In a wolf pack in the wild the Alpha female chooses a mate, or in many cases finds a mate and the two are the only breeders in the pack.  When the Alpha female dies the pack disintegrates and all go off to find mates to establish their own packs.  

Unfortunately in the modern world the male dominance model of the major religions is pervasive in the west and schoolyard games through adult gladiator battles are dominance games among males.  Female preference is of little importance.  The dominant male gets the pick of the available females, his choice not hers, and the rest are distributed according to male status.

Female preferences in mates may have had some evolutionary effect early on in human history, and in the cultures that haven't been corrupted by Abrahamic religions, but in general where marriages are arranged women's preferences don't matter. Putz has the cause and effect reversed.  Where awesome fighters are valued it is among men only and the awesome fighters pick the women that appear to be the best brood mares.  Hence the social pressures for the appreciation of airheads with big T & A.