I believe what they’re saying is that Elon Musk is a free speech loudmouth, and he fired the author for being a “jester” and/or saying things Elon didn’t like.

I believe what they’re saying is that Elon Musk is a free speech loudmouth, and he fired the author for being a “jester” and/or saying things Elon didn’t like. (Not endorsing this view since I doubt Elon was directly involved in the firing, but that is my read on OP’s comment).