“...independently wealthy” - exactly why it’s so dumb of them. They’re behaving as though losing his license would be the end of him. At this point he doesn’t need it and it just makes him even more prominent. They’ve only exposed their inner fascist for all to see.
Although, at this point I put nothing past these clowns. Watch his give his speeches, and without his license, they will claim he is practicing medicine without a license and try to arrest him.