Miffer
I listen to transactivists invoke intersex as a means of 'proving' that sex isn't binary all the damn time.
I also read an open letter from the AIS society in the UK. They were clearly very angry as they had been repeatedly pressured by GIRES to form a collaboration. Which would have given GIRES a massive PR boost.
The public reason not to was that although the intersex people have to have surgery, it is never done for the same reason that trans-people have it. But you could tell from a few comments that they simply felt a million miles from wanting to align themselves with the ideology.
Having read your link, I can easily see why.
I know narcissism is present as a comorbid condition in a lot of trans-people, and it comes through in their narratives about their 'journeys'.
In contrast to that, the story of the girl in your link just resonated with authenticity, bravery, and pathos.
I absolutely hate all this muddying of the waters, blurring the lines between language and experiences, grabbing offensively at nonsensical straws to score vanishingly irrelevant points.
I've seen people counter the intersex argument by saying yeah, but you're not intersex. And not only that, the AIS society have repeatedly asked you not to use them to endorse trans.
It's only effective about 30% of the time, though.