Limited chars to 500 but I want to spell out -- hyperreductionistic tendency of a simple (Right Wing)  mind to link Gender:Sex:Identity as 1:1:1 pathway is inappropriate established BY science as early as ... insert case of congenital adrenal hyperplasia here. 

Hell, by Gregor Mendel. 

It dismisses the unpredictability of a complex system emerging from genes, epigenetics, time sensitive developmental periods, hormone messengers, concentration of hormones, thermal temperature, ETC ETC.