I think you may well be right, though it's hard to say just how many trans people aren't on board with these controversial ontological claims of gender identity

I think you may well be right, though it's hard to say just how many trans people aren't on board with these controversial ontological claims of gender identity activism - perhaps in part because those who speak out against it get accused of 'internalized transphobia' and such, and relentlessly bullied by the activists.