The subset of hackers who can learn "business" is greater than the subset of business people who can be hackers because the particular style of thinking needed to succeed as a hacker has a unique rigor and need for persistence, and is comparatively rare.
This is true for comparing any less common skill to a more common one. The subset of NFL quarterbacks who could be good programmers is surely proportionally greater than the subset of programmers who could be NFL quarterbacks.
It isn't all about arrogance (although I don't deny arrogance is a factor).