Musk is also threatening to turn off Starlink in Ukraine in his most recent tweets. That is why Europe is urgently seeking for an alternative.
I do think at some level he knows that common carrier is both a shield and a lead weight. If the department of state tells him to stop supplying internet he has an out, and we all get a signal about the reach of US legal arms to our own national strategic interest.
No action here has no downside consequences for him or anyone else. LEO is and always was a contestable market.
The real problem is launch. If he maintains a lock on cheap launch, competitors at scale will pay him to be there and again, the US government has a view.
Yes, he's a billionaire. Yes, $100m is chump change.