You don't get it because you agree with it. If it was your views being silenced you would suddenly remember how hard it is to create your own video platform that can compete with youtube (especially when the big tech monopolies will refuse services to you)
I disagree strongly with the action being taken here, but like your parent commenter, I don't get the consternation about their ability to take that action. I think that the first amendment guarantees both freedom of speech and of association to private entities, and that this is no more or less than a private entity exercising those exact rights.
If you want to nationalize all social media and force it to be a public square, that's fine, we can have that conversation. But that's not what people generally argue for, they instead expect private entities to be themselves subject to the requirements of the first amendment. But that isn't how it works. And I think that is a good thing, even when I disagree with the outcome.
