Oh, don't get me wrong! I've no issue with cross dressers (although I reserve the right to laugh at them, of course). If a chap likes popping on a frock, that is purely a matter between him, God and his tailor.
No, my issue is with this business of everyone going along with the absurd, unscientific nonsense that what is clearly a bloke should be regarded societally and legally as a woman. That is the point at which my head starts to throb with the sheer lunacy of it.