This is analogous to "hey, fella, I have a First Amendment protects right to be a manipulative, sociopathic liar" - it's true, and it doesn't invalidate people

This is analogous to "hey, fella, I have a First Amendment protects right to be a manipulative, sociopathic liar" - it's true, and it doesn't invalidate people complaining about your behavior. AWS did something rude, unprofessional, and indicative of bad OSS citizenship. The fact that the lawyers can sign off on it is irrelevant.