Those are the expert opinions of a medical professional, but you'll find a far greater number of psychiatrists who disagree with him. A good scientist will listen to both sides and work from there, discarding what doesn't work and using what does. An expert opinion does not automatically equal a fact.
I'm unsure about the notion of transgender myself, but try this. Replace the word "transgenderism" with "homosexuality" and see if it doesn't sound exactly what most "experts" were saying fifty to a hundred years ago. Somewhat sinister, in fact...and the fact that homosexuals are now viewed by most right-thinking countries as equal in both law and moral status shows that those "experts" were wrong.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.