There is probably a defamation case there though given what she said. Plenty of GC people have threatened to sue, why shouldn't people who are trans supportive?
Do go on... What did she say that was defamatory?
He tweeted an article which contained reference to a woman being no platformed for her GC views - he referred to the people being no platformed as 'Nazis'.
Now presumably this is because he didn't actually read the article and was just going for virtue cookies, but he could have just admitted that!