It's part of his online persona, and it's the reason so many people are listening to him. That tone of disbelief is effective at making people look at their spe

It's part of his online persona, and it's the reason so many people are listening to him. That tone of disbelief is effective at making people look at their spending from a perspective many have never considered. That it irritates people who disagree probably doesn't bother or affect him much.