Well... except that "cis" is actually a shortened form of the precise, latin-rooted, technical term "cisgender," which is the opposite of the precise, latin-rooted, technical term "transgender."
And it has nothing at all to do with heterosexuality, or with sexual preference in any way, shape or form.
So he's not just wrong, but wrong in pretty much every way he could possibly have been.
Which seems to be pretty much par for the course for the world's richest middle-aged teenage edgelord.
So at this point, I'm just wondering - traitor, lunatic or moron?
He's obviously at least one of the three, but which one(s)?