We've had a trans boy quietly go back to being a girl at my school recently. The rest of the kids are confused and exasperated by the whole thing - their refrain being 'I'm not gonna say anything mean to anyone's face but it's stupid'.
Unfortunately I have noticed that they are so indoctrinated into the forced teaming of LGBT that they can't separate it out. I've had kids say to me of themselves - totally matter of fact - 'well I'm very homophobic' and when I've explained that that is no different than just admitting 'well I'm very racist' they can't understand it and start talking about what a nonsense gender is... which it is, only it has nothing to do with being gay.
I'm hoping that as they get older and wiser (they are still the younger end of high school) they will be able to wrap their heads around LGB without the T, I'm not totally despairing for the future of LGB rights, because teenagers around their peers and away from their parents do tend to be quite ableist/racist/ homophobic as they don't have fully developed empathy and do enjoy the shock factor and they will grow out of it.
But the T has done a number on kids understanding of LGB issues (and even what LGB really is) and it will need careful unpicking in an atmosphere where adults are not afraid of being fired if they talk about all this truthfully. I am seeing the reality that LGB acceptance is down among young people entirely because of the T - and it is infuriating.