Hey, easy there, I didn't call you a prick, I said you come off as one in that little snippet. I guess the point is moot because you did get a response, but if someone emails me at work with that tone, they're lucky if they get a response, or if they do it's at the bottom of the stack.
You're absolutely right about him being unaware of problems, there's no excuse for that. This is something the MAC itself should focus on as well. Do you have twitter account? I know there's some MAC reps that are very receptive to complaints on twitter and will bring it up with the school administration. You could try that route as well.