SG - I''m confused. Why is there such a big difference for you between FGM at' any age' and genital 'reassignment' (for me, that's a euphamism - it's still mutilation in the true sense of 'GM', just a more politically correct term when you're talking about children and trans).
If children don't fully mature until late teens/early 20s, how can surgery be right for trans kids but not for FGM 'at any age' in your opinion?
Does FGM/genital 'reassignment' not facilitate the same outcome - less ability to fully experience adult sexuality?
In terms of 'changing sex', I'm also confused by your explanation:
Hormones - how does taking synthetic hormones change your biological sex? Surely it just changes the hormone level of your base biology?
Biological aspect? Do you mean surgery? But no surgery changes your sex - it just mimics the openings, identifiying body parts etc of the other sex. They're not actually the same as those body parts?
Legal - fair enough. Someone has said on a bit of paper you're the 'other sex'. It doesn't magically make your body the other sex.
Physiological? I don't understand. Do you mean the effects of taking hormones to mimic the other biological sex's presentation?
Day-to-day perception? If you're successful in mimicing the sterotypes and expectations of the 'other' sex, I guess this means you've 'changed sex'? Is this what you mean? So if I convince others by my dress and stance that I'm 'a man', I've 'changed sex'?
To whom does it matter, when and why. Well, I guess, when you're referring to sex-based spaces and services, it matters highly. Do those occasions not matter to you ever? Children, safeguarding, vulnerable women? You never seem to address their concerns in your answers.