It's the very reason why so many of the transtrenders commit suicide even after gender reassignment surgery, because creating a gaping wound and removing your genitalia does not equate being a woman,

There is also a fetishistic aspect. Most of them derive sexual please from seeing themselves as women. When they remove their testicles, their sex drive plummets and the fetish starts to disappear. https://quillette.com/2021/09/07/the-truth-about-autogynephilia/

The ones who aren't autogynephiles are gay men and many, including autogynephiles, have no father figure.