You are suggesting that in an environment without the right to free speech, there is no right to free speech. Back to the twitter context: if I bought twitter

You are suggesting that in an environment without the right to free speech, there is no right to free speech. Back to the twitter context: if I bought twitter and simply did nothing at all, anyone would be free to post anything, because in order to stop it, I'd have to act, which I already said I won't do.