There is no organization on Earth, private or government, which is better at the launch business than SpaceX. And it wasn't handed to him, he had to sue the government and go up against entrenched contractors with decades of experience.

Rockets, yes, he's good at them.

Cars… not great, but good enough to turn Tesla from a joke into an OK company selling in a "Blue Ocean"* market. Which isn't nothing, but then a bunch of other electric car companies popped up and now Tesla cars are solidly B-tier… well, except for the Cybertruck which is just a flop.

* https://en.wikipedia.org/wiki/Blue_Ocean_Strategy

Even if he was not involved in engineering whatsoever, his ability to attract talent, direct capital, and drive innovation is unmatched.