That isn't entirely true. Transitioning is very recent idea. Being trans and transitioning is also intimately tied to pharma capital complex.
There were many ways of being queer and trans which have been erased over time. Simply consider the native American stuff and also Indian motions of hijra.
Though not this precise point a good text to read : https://en.wikipedia.org/wiki/Testo_Junkie
Again depression is a modern conception which is a symptom of a society that has erased notions such as melancholia and mourning.
Reference: https://books.google.co.in/books/about/The_New_Black.html?id=8nL823M9X64C&redir_esc=y
The point is that these new ideas pretend that they are all neutral and they have arrived at the truth. In the process the constitue their own subjects who are interpellated in these frames. The people who believe and fall for this new discourses are produced by these new technological and scientific advances. It isn't a truth waiting to be grasped out there.
The point is that alternative routes of making meaning of these phenonemon have been erased and other alternative pathways are blocked by suggesting that this is it.