Earlier quoted context omitted.
“Free speech” is used in many ways. But in the US, my understanding (IANAL) is that I can be fired for saying something, and cannot claim “free speech” as a general blanket protection. Exceptions exist if it is specifically a protected form of speech.
No one is claiming free speech as a defense as far as I'm aware. Free speech is entering the conversation because Elon has made it one of his personal North Stars and this case seems to make him look hypocritical. In the US workers have rights about what they can say and do in the workplace. Labor activism (agitating for a union) is protected. IANAL but reasonable criticism of the company may be protected to some deg…
Agree that Elon looks like a hypocrite, regardless of the legalities involved. My impression is that he is not actually principle-driven in this regard. His motivation seems to be attention and chaos, and an anything-goes forum is conducive to that.