Let's clear up two thing:
1) The insults hurled at Doug for stealing credit cards are mostly just the easiest way to get under his skin when he provides poor basketball analysis. He provides poor analysis almost every time he speaks about basketball, so the opportunities are aplenty. While grounded in the fact that you have to be a special level of scumbag to steal, it's often not the morality of it that triggers the insults. People aren't calling him out for stealing a million years ago because they're mad at him for stealing. They call him out for it because he sucks at his job but he's arrogant about the fact that he knows what he's talking about, so attacking his character is just more convenient and easier. Forgiveness for the action has nothing to do with it. It's supposed to be a source of shame for a generally shameless person who acts like a jerk. If he was an agreeable person. a lot fewer people would bring it up.
2) He's not just hated by Syracuse fans because he doesn't say nice things about us. He is not a widely respected analyst, for good reason. The idea that any Syracuse fan who dislikes him feels that way only because he's not nice to us, is dumb.
3) He holds an undeniable bias against Syracuse. It's his job to provide fair, unbiased analysis and he doesn't do that.