I worked at a development shop where we hired a programmer who couldn't get a standard browser toolbar implemented.

Therefore, coders are useless. See how fun anecdotes are?

>"I left because I did not have faith in his management"

Weird, because all we had to do was replace the guy with someone more capable, and off we went.

Sounds like your technical founder didn't know how to manage human resources. And if he did, you wouldn't have left, and the business would have been better off, right? That's why knowing the intricacies of running a business is important.