I see your point, but really it's "losing $30M of someone else's money" that OP is probably highlighting. On the other hand, not a lot of people let you gamble with $30M when you're that young. Just two opposite perspectives
Founding a company at 19 that hits some big milestones, and comes close to success despite ultimately failing, is still very impressive to me. Nobody bats 100, especially at the age of 19.
Also, from the outside, he seems to have been an impactful/successful leader at YC and now OpenAI. People who know him personally seem to thing he’s an extremely bright and driven person, and his results at YC and OpenAI indicate they’re probably on to something.