> going back several thousand years, monogamy was the norm for everyone except a few very well of nobles  no. you just make this up, over 75% of all farmer cultures were polygamous and it ranged internally between 1 and 40% of the prevalence of polygamy. not just 0.005%. also you're okay with sexual dimorphism no longer exiting and all male turning into femboys are under monogamy without sexual selection?
Germany