the idea of nonbinary genders exists only in social sciences (not an exact science)
Social science isn't an exact science? The forget is this supposed to mean? Are you saying the entire field that studies how humans interact with each other and form societies is just a made up science? That's if i said "rain exists only in meteorology but it's not an exact science so rain doesn't exist". Maybe i'm misinterpreting this wrong and you're saying that social science is a broad category of other sciences, and in that case, nonbinary genders exist in demography, sociology and to some extent psychology.
Autism aside, you're essentially saying "nonbinary genders exist in the only science that studies human interaction and societal patterns, the only field of study that would have credibility on the mater" but i guess if it's not a real science it wouldn't matter to you anyways
1. MMMMM that sweet appeal to authority
i had this same issue with corderlain. since he can't argue against a credible source, his only tactic is to either say it's a liberal fake or to blame me for using a credible source. i guess you're doing the latter
anyways, WHO has scientists and professors around the world that publish thousands of abstracts every day, they work with millions of people to tackle health and societal issues. if you're going to just selectively say 'they're right on everything except this thing i dont agree with' then you're essentially throwing consistency out the window. They could be wrong on a number of things, but an agency that has a need to handle health information at such a high magnitude would have such an unlikely chance of being incorrect on the matter, and if they are they've probably revised it by now
2. Gender itself is not a social construct. Male and female cannot be changed on society's whim. What can be changed are their roles, and how masculinity and femininity are perceived.
https://en.wikipedia.org/wiki/Hijra_(South_Asia)
this is half gender being defined by society and half masculinity and femininity being defined by society. They both go hand in hand anyways, since masculinity and femininity are part of gender identification. You're essentially trying to prove me wrong but in reality you're just proving me right on a certain aspect. I do agree on the fact that gender roles are defined by society, but most institutions recognize that as an offshoot of gender identification, and it falls in the same category
Gender is just a definition, it doesn't exist until we give it meaning. The meaning most if not all of the scientific community have given it is a set of societal definitions that affect how people identify. It changes from society to society, so it's not just Male & female all around, people in different countries have a different definition of those roles in their society. Either way, more than two genders can exist, and it already does in some countries like india. Just because it doesn't fit your extremely narrow criteria doesn't mean that it's factually incorrect