First, the phrase you're looking for is sexually deterministic. 6 out of 10,000 babies are born without fully formed limbs. Is describing homo-sapiens as biped

First, the phrase you're looking for is sexually deterministic. 6 out of 10,000 babies are born without fully formed limbs. Is describing homo-sapiens as bipeds with four limbs no longer correct then? Where is the brink of acceptability for you? I find disputing the notion that human beings are sexually dimorphic to be an overreach. There are in fact arguments that transgender inmates should go to the prison that matches the gender that they identify with. This has (obviously) gone poorly a number of times so far. Another argument you can make is that self identification of gender skews statistics regarding violence by sex. For instance, even if 0.3% of men are transgender, given the huge disparity in violence by sex, you will see the differences start to narrow.