At least he recognizes he's lost now, when there's plenty of time ahead to fix it. A lot of people won't see it for another 30 years.
I'd further mention that many people unconsciously choose to not be brilliant because this allows them to fit in.
While it might do wonders for one's self-esteem, being called "brilliant" by high school teachers doesn't impress me much. In contrast: If Brian Eno says someone is brilliant, I am quite likely to take his word for it.