The terms "heterosexual" and "homosexual" were only coined in the latter 19th century. People have been having sex with each other for much longer than the last two-hundred years (even between members of the same sex), but somehow we made due without needing such terms (which, ironically, are now considered passe by progressives and the cultural avant-garde). I refuse to use them because I refuse to reify what they claim to refer to.

https://www.firstthings.com/article/2014/03/against-heterose...

Not the commenter you're answering to, but... what's wrong with the words you did just use?

Non-trans is quite "othering". It implies that being trans is the default

In the same way that we say queer instead of "non-straight"

Nothing. They are just long and have the same meaning. The Latin opposite of "trans-" prefix is "cis-". See the use in terms like cislunar vs translunar.