Which is worse: a platform with no censorship whatsoever that allows even ethnic slurs, or a platform that censors ethnic slurs and also censors information about the sins of the powerful?

To me, the latter is clearly worse. Every now and then you've written something to make it seem like maybe you believe in censoring hate speech, and I hope I've misunderstood you or jumped to the wrong conclusion. (E.g., believing that the only stand Elon will make for "freedom of speech" will be letting people use transphobic language and such.) You shouldn't even censor hate speech, because this is what happens when you do: https://theintercept.com/2017/08/29/in-europe-hate-speech-laws-are-often-used-to-suppress-and-punish-left-wing-viewpoints/