If you have issues with my tone maybe you should have raised the issue instead of me, because you obviously know how to do it better.
You can still collaboratively discuss with him why he is incorrect and how he is falling into ambient transmisogyny if you want.
Well read on transmisogyny? How do you want me to point out to you that you're incorrect? Like, earnestly, what is the right way to point out to someone that they're being bigoted when they don't know they're being bigoted?
I know more on this than you
on a personal level- plenty of men hit on me and then when I speak in my non-passing voice to let them know I'm a lesbian react with disgust. Men who say they'd never be attracted to a trans woman have had no problem aggressively hitting on me
On an academic level- I've read a lot of feminist works on misogyny, and works on how transmisogyny operates.
You haven't done enough study on the topic to have an opinion that you should personally stand by.