Earlier quoted context omitted.
Without American billionaires, there would be no SpaceX. YCombinator is billionaires investing in startups.
I already addressed this: > Billionaires tend to steer the economy toward vanity projects. Musk's only meaningful contribution to SpaceX was money. We could just have raised NASA's budget instead, but we didn't. There are lots of things that we need to spend money on. Space is not our top priority. Musk, however, is independently wealthy and can spend his money on whatever he wants. So he spent it on rockets, as a va…
It was a heck of a lot more than that. See "Elon Musk" by Vance.
> We could just have raised NASA's budget instead
He did it for a tiny fraction of NASA's budget.
> So he spent it on rockets, as a vanity project
He's reached cash flow positive.
> Was this where the money was best spent? I have no reason to believe so.
Becoming the richest man in the world through his investing is a whopper of a reason that it was well spent.