It had nothing to do with minutes distribution. Jeff yanked him for lack of energy. And apparently it wasn't his first time. They'd stressed playing with greater intensity just the day before so it's no surprise he was instantly benched when he failed to hustle.
Too bad we don't have some diehard NC State fans here, it would be interesting to hear if this has been an issue for him in the past. I know it happens often with big-time scorers, they come into the pros expecting to coast on defense as they have at the lower levels. Hopefully this benching will send the right message.