I mean the alternative possibility is that people dislike Elon and are trying to inflate small things into big ones.
Not that I don't actually suspect hate speech hasn't increased on his platform since he fired most of the staff anyway, but a company does have the right to defend itself legally against accusations and decide it in court.
It's like if you made a company and I had a claim that you were eating babies during lunch. Your defense against me would be a lawsuit in court.