First google result:  "The invention of 'heterosexuality' - BBC Future".  It mostly seems to be arguing that 'heterosexuality' is a stupid concept and shouldn't even get a word in the language or be taught to children, although of course the article doesn't phrase it that way because heaven forbid that anybody try to coordinate around children learning optimized subject matter or that anybody try to design a language to facilitate clear thinking.

Okay, let's try: evolutionary biology of doms and subs.

First google result:  "The invention of 'heterosexuality' - BBC Future".  It mostly seems to be arguing that 'heterosexuality' is a stupid concept and shouldn't even get a word in the language or be taught to children, although of course the article doesn't phrase it that way because sanity forbid that anybody try to coordinate around children learning optimized subject matter or that anybody try to design a language to facilitate clear thinking.

Okay, let's try: evolutionary biology of doms and subs.