Candidate explanations for some specific person being trans could as easily be that they are sexually averse, rather than that they are turned on by presenting as their preferred gender. Compare anorexia nervosa, which might have some parallel with some cases of gender identity disorder. If the patient is worrying about being gender non conforming in the same way that an anorexic worries that that they’re fat, then Blanchard is just completely wrong about what the condition even is in that case.
Candidate explanations for some specific person being trans could as easily be that they are sexually averse, rather than that they are turned on by presenting as their preferred gender. Compare anorexia nervosa, which might have some parallel with some cases of gender identity disorder. If the patient is worrying about being gender non conforming in the same way that an anorexic worries that that they’re fat, then Blanchard is just completely wrong about what the condition even is in that case.