He also did not invent reusable rockets. (And that's beside the fact that these don't exist yet - it is but a dream at the moment.) He funneled a large amount of taxpayer money into SpaceX, while not really improving much on anything (he _promised_ costs savings, but did this really happen?).

What he did invent is the snake oil salesman pitch. Oh wait, actually... he did not invent that either.