Good that you're not surprised. But there's a lot of people out there (and here in the valley) who subconsciously (or consciously) believe that if you're dark skinned with curly hair and athletic, then you're deficient in the intellectual arena, or worse, that you're a thug.

> why don't we congratulate everyone who publishes a math paper?

Because not everyone's story defeats a stereotype that is dangerous and damaging. I'm surprised that this has to be explained.