I'm not saying he wasn't some genius, or wasn't driven, or wasn't better than most in some way.
I just notice the part about Gates growing up in the ghettos of Baltimore or growing up in a trailer park in the deep, rural South, working multiple jobs while in high school just to survive, etc. is missing for him success story. Same goes for Musk, Jobs, etc.. Wealth doesn't guarantee success, but...
Wealth => greater % of better opportunities => greater % chance of being successful.
Luck plays a large role -- lucky to be intelligent, lucky to be rich, lucky to be in good health, lucky to be born in the right place, etc.. People hate to admit it because it takes away from their egocentric identities, but if Gates grew up in a poor rice farming village in Vietnam at the same time he grew up, we wouldn't be talking about him right now.
This reoccurring pattern in tech is probably why Thiel came up with his whole "don't go to college" narrative.
However, this is not a path to the _kind_ of success Bill Gates had, which has to do with getting in early on some new field's new monopoly.
In short defining bill gates as a college drop out is a ridiculously narrow view. I'm guessing most people who drop out aren't on a path to success.