Consider that the survival of much of the animal kingdom depends on the preponderance of heterosexuality.
Heterosexuality increases adaptation.
What does the survival of a colony of bees, or termites, or ants -- depend upon the preponderance of?
That seems to bee the social structure desired by the occult (well, actually not so occult these days) proponents of Transhumanist / Postgenderist doctrine.
It was all out in the open when the theocratic eunuchs were breeding slaves for the Babylonian, and Egyptian, and Roman.... empires.
Meet the new Ubermensch, same as the Old Ubermensch
--The Who?