And ULA has a good story about their work on in-space reuse of rockets even if they aren't going to be reusing boosters any time soon.
Even if SpaceX themselves have no interest in going to The Moon, they're not going to say no to a contract to put a Lockheed/ Boeing/ etc NASA funded Moon mission into orbit for them.
So are you saying Musk would just sit back and collect money from Falcon Heavy for the rest of his life? No, he is planning to go to Mars, so SpaceX is going to advance the technology as fast as it can.
Were you really unaware of that? Or perhaps you work for ULA.
The guy had a dad who psychologically tortured him, he got thrown down stairs by gangs of blacks in apartheid South Africa, and he completely detached himself from any social connections when he was 17 by moving to Canada. The guy's only reason to live is to fulfill his dreams that he gained from reading every single science fiction book that existed.
Anyway you can think what you want but I know that he's not like the other CEOs that are career CEOs. He's on a mission fueled by intense hardship and retribution
Like most things associated with manned space exploration, the tangential benefits of keeping Boeing and USA in operation far outweigh the direct cost and direct benefit.