Because someone's moderation is censorship to someone else. Begging Musk for free speech is another issue in itself though so you better don't bet on X allowing you to speak forever.
Free speech is one of these things that is always used as a trojan for doing ultimate good.
Let us empower anybody to say anything they want AND enforce everybody to have to listen to it.
Anonymous free speech is not free speech. There is no accountability. It should not should not be a human right. Its destroying our societies. The evidence should be clear by now.