If by "people" he means "undergraduate students" then yes, they're probably pretty rare. On the other hand, if he means "an average programmer with 5+ years ex

If by "people" he means "undergraduate students" then yes, they're probably pretty rare. On the other hand, if he means "an average programmer with 5+ years experience", probably not rare at all. Given the scope of the article, I'd assume he means the former.