Read the article.
He uses the old names from two transgender students on purpose.
He is a bully.
Of course there are two primary gender in biological context and it doesn't make a lot of sense to subcategories them.
And I also don't want to be cancelled because someone thinks it's not okay to write transwoman when it makes sense.
It's a valid sentence to say 'i don't want to date transgender woman'.
And it also makes sense to separate woman rights from transwoman rights.