biological sex is complicated and we have lots still to learn about it!
It’s not that complicated. It’s one of the simpler genetic cascade type processes. We know a great deal about it and we have a very good handle on how the entire process works, including the vast majority or genes, genetic control loci and other genetic material that contribute.
I don’t think it’s correct to say that it’s still some sort of mystery that needs unravelling. We know in great detail how it works.
It does feed the TRA agenda to say ‘oh so much still to learn which may yet be used as ammo for our agenda.’
Then non binary humans aren’t actually himan
That’s very poor logic and you can drive a bus through it. The defaulnfor humans is two legs. That doesn’t make a child with sirenomelia non human (what an awful thing to say) it makes them a hold with a disordernof limb development.
I know what you’re getting at - you want Science to Give You An Answer you like. But science has no agenda. Sex is default binary. There are rare abnormalities in sex development just like there are with limb, eye and indeed body acis development.
By your ‘logic’ Siamese twins, sirenomelic babies, children born without eyes or ears or limbs, and children with polydactyly are not human.
Is your surname Barnum by any chance?