Reddit also has a lot of formerly "gifted" kids who were convinced by adults in their lives that they had an inevitable trajectory towards greatness who didn't end up going as far as they thought because, as the quote implies; persistence matters more.

I don't in general have anything against people like this but I do find it mildy annoying any time a post regarding the downside of being smart yet unsuccessful, "high IQ" or similar subjects that they're all "this is me and I don't like it".