Shizuku:
I owe you something of a response, I guess.
Here are two articles mentioned before on this thread, the first the one with which I started the thread:
What is gender identity?. This, by Alex Byrne, posed a challenge, as I put it.
The second is this, which you claim to answer the challenge:
Gender identity subtypes
This second paper (Benjamin Clemens, first author) is, you claim, '... a brain study that can literally see the apparently non existent thing we call gender identity, and which also gives a scientific basis for non-binary identities to exist .'
Thing is, Shizuku, it is apparent to anyone reading and understanding these two papers, that the second paper goes no way to answering the challenge set in the first.
Sure enough, the author of the second paper talks of 'gender identity'. But its definition in the paper is unclear, if not spuriously circular (and particularly different from yours, I notice). Further, the author shows no signs of understanding the issues raised in Byrne's piece. The science is fine in its own way. But it certainly does not answer Byrne's challenge.
Do we expect a young post-doc to have a clear grasp of such conceptual issues, as well as facility with their own scientific methods? Sadly, perhaps not. Clemens describes an interesting investigation. His results show measurements of certain brain connections to correlate with aspects of personality assessed by questioning the brains' owners, particularly about sexual stereotypes and their relation thereto. These results do not show the existence of 'some kind of “gender identity” that is universal in humans, and which causes dysphoria when mismatched with sex' , as Byrne put it.
Nor is it 'a brain study that can see gender identity' , as you claimed. The author makes some assertions about 'the subjective perception of oneself belonging to a certain gender' , which he labels 'gender identity' (not your definition, I note), but leaves 'belonging to a certain gender' dangling while he considers answers to a questionnaire about sexual stereotypes.
As Byrne says, such gender identity as he describes 'remains elusive' .
I am not going to argue this case further. Anyone who wants to can read these papers for themselves. Do not be put off by the jargon. Read the parts of Clemens' paper that describes what he actually did and what the results were in terms of correlation between resting-state fMRI scan results and BSRI questionnaire answers.
Enough. Shizuku, I remain unconvinced you understand the papers you have referenced. I suspect mostly you have not even tried to read them with any thoroughness. As far as these two pieces I mention above, either you have not read them both or you have read and not understood either one or the other or both. We know this because you have claimed the second as an answer to the first.
(The only other possibility is that you are a scoundrel trying to deceive. Not for a moment do I think that of you.)
My advice: do try to understand. Try to develop an open mind. It is hard, I know, especially when you are so invested in a topic like this. Remember Oliver Cromwell to the Kirk, 'I beseech you, in the bowels of Christ, think it possible you may be mistaken' .
I know I started this thread. And I have been heartened by many of the responses and learned from them. There is a lot of expertise and willingness to share it here on MN FWR. But I have spent enough time on it now and I have other things to do. It has been interesting meeting Shizuku, but generally I prefer discussion with those who try to understand what I say and seek help when they do not.