I don’t think any definition of free speech guarantees total freedom from repercussions?
So I imagine Musk believes anyone who causes him displeasure, in any form, even by association, should be put in their place by measures including, and up to, loss of livelihood.
I'm not so sure he gives a damn about anyone in the military, unless they run afoul of the ideas presented in previous statement.
I guess they haven't processed the famous XKCD on this issue.