The constitutional right to freedom of speech applies to public (government) institutions, not to private (non-government) institutions like Twitter. Twitter is

The constitutional right to freedom of speech applies to public (government) institutions, not to private (non-government) institutions like Twitter. Twitter is exercising their constitutional right to freedom of speech to disallow certain kinds of content on their platform. There is no violation of anyone's constitutional freedom of speech. If you think it's a poor business decision, that's your call, and time will tell. But it has precisely nothing to do with "freedom of speech."