we're doing a decent job of theorizing about transandrophobia, but are we ready to understand that transhet people are oppressed for being straight? think of it like this: transhets are technically straight, but are not socially seen as straight, so deal with homophobia anyway. oppression is not about who you are but about who society THINKS you are.
gays think that since transhets are straight, they are invaders. this means dealing with homophobia, while also being treated like hetero invaders, much like what straight aspecs deal with.
inversely, trans gays are treated as straight people pretending to be gay, both by cishets and the queer community. however, a trans gay person is still gay enough to suffer homophobia, while being told its "not homophobia, just being critical/careful".
this results in transhets and trans gays being equally oppressed for essentially the same thing, just in different ways.
this is probably a lot more complicated for trans bi/pansexuals, but im not too sure of how that works. feel free to add on
Transgender 'cis passing privilege' rhetoric and mspec 'het passing privilege' rhetoric are already direct mirrors of one another. As you said, it depends not on who you are but on who you are percieved to be. So unfortunately we get it on both the axis of gender and sexuality and from pretty much all sides.
