I do not believe for a second that communications within the Whitehouse are inadequate, or if they were, could not be solved in a secure manner. Slapping a Starlink in a few places sounds like an invitation to backdoor all communications. Not only that, it is an invitation to sidestep obligations to preserve government records.

Personally I’ve never left Firefox. Used to develop on it when it was still called Mozilla, and I’m happy it’s still around. Privacy is a major strength of it compared to other browsers.