At this point we don’t know what he will do next even as SpaceX made Falcon-9 a reliable workforce Musk has already threatened to bankrupt SpaceX at least couple of time, e.g. that time he lied about needing to launch two Starship launches per month to avoid it. Don’t forget that he is cozy with China and definitely has someone from Russia close to his ear (no way “Khrushchev’s mistake” did not come from a Russian political contact). Are we sure be will not defect with a briefcase full of secrets?