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.
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.
I'd further mention that many people unconsciously choose to not be brilliant because this allows them to fit in.