Yeah, that's always irked me. Now, if a player is playing conservatively due to fouls and it's causing the team to perform poorly, sure...sit him. Or if he committed a stupid foul and I think sitting him will get his head on straight? That's fine. But otherwise you're purposely cutting into his minutes because you're worried that he'll foul out and...not play as many minutes. I'd rather not screw up my rotations...let my guys know that as long as they're playing smart and hard, they can stay on the court.