The First Amendment has no bearing here as this issue is between two private parties.
The First Amendment is very much at issue here, and can certainly be invoked in cases of libel or slander. That is, what I publish is protected by the First Amendment notwithstanding your private (non-governmental) objections. Of course, the First Amendment is not an absolute shield against a claim of libel, but it’s a big hurdle to overcome.
Cleeds you are not talking about anyone outside US, what’s your solution there?
I understand you’re concerned with what could transpire in Hong Kong but that isn’t really a concern of mine. I’m ok with leaving that for you to resolve.
This amendment applies only to government restrictions on speech, specifically Congress shall make no law infringing it.
There is much, much more to the First Amendment than that. It actually has five major pillars.