The law trumps their policy, to be blunt. They can't afford legal disputes so complying is the best thing they can do. They're still involved in legal shit for "giving away" ebooks too easily during the pandemic.
I only know what I just read on wikipedia about her, but it seems like she has been heavily doxxed — I'm guessing she requested this information about herself be excluded? If so, I'm not sure I'd classify that as censorship.
It's her own tweets, not dox.
Not dox but I was thinking there could be old materials in there that people were using to dox her. Idk, why else would they remove it?