With respect, I don't think anyone should lose much sleep over the antics of this psychopath.
Such people will do anything to attract attention. Equally, they do anything to avoid having to take any responsibility for their actions. And further, they will do anything, absolutely anything to assert control over others.
The best thing we can do is to utterly ignore people like this idiot.
Frankly, to suggest he brings down the reputation of transgendered people makes about as much sense as saying he brings down the reputation of teachers.