The word is used so much it literally has no meaning, no one gives a fuck and if you don't like it, don't read it or pay for it. In 2024 Substack claimed to have banned 5 "Nazi" blogs (whatever the fuck that means) but they didn't mention which ones and I can't find any actual information on it, so it might have been a fake PR-stunt. I would like to know what those sites actually were and see the archives to decide for myself.
But I decided from that point I would never pay for something on Substack because they either censored some sites or created a fake censorship story as some PR stunt. Both are stupid.
But personally, I want to read the books everyone else wants to burn.