Okay read Walter Isaacson and Vances biography and get back to me. There is hundreds of examples in each. Or read this thread that has a few snippets from the book. https://www.reddit.com/r/SpaceXLounge/comments/k1e0ta/eviden...

He is a constant technical driving force.

> if you kicked Musk out of SpaceX and replaced it with absolutely any random guy as CEO, do you believe reusable rockets would never see the light of day?

Would we have reusable rockets in the same timeline as SpaceX, absolutely not. The proof is all the other rocket companies that have failed to do so, including government entities.

So yah obviously if Musk never founded SpaceX, we would not have reusable rockets right now.