I think Silence of the Lambs is transphobic. The claim that he's not trans is weak, contextually. It's a figleaf to say, "he's not trans at all..." when it's also said that he asserts/thinks that he is, and he literally makes a woman suit from dead women to try to be one. I mean, it's a really good film, but in retrospect it's hardly great representation. And that was back in the day, when old-school transsexuals were rare and hadn't the legal protections anyone under the ever-expanding trans umbrella does today.
Never seen Ace Ventura and have no desire to do so. I do know what they mean about trans person as victim in Boys Don't Cry though - I remember my cousin acidly commenting that lesbians on TV always ended up dying, in the 1990s! If representation is tragic and focused on the identity rather than the character then I can see why that winds people up. Same problem as the way, when I was a kid, that any Indian sub-Continent characters had arranged marriage storylines as a matter of course.
The appropriation makes me roll my eyes, though. Yet again, women are in the wrong.
British people's main impression of transwomen is Hayley Cropper from Corrie, who couldn't have been more positive as a portrayal. Near saintly character, in fact. So I'm not sure the argument works here.