I agree that he had some buger hook action going there, but it wasn't as bad as it look the first time through. I stayed up and watched it a second time - Yes MB is worth it
Having had a heads up I was watching close, and the second time through gave me time to know what to watch for. Several of the times I thought his finger was on the trigger the first time appeared to be more of his finger on the trigger guard. It looked to me like it was when he moved the gun around with one hand that the finger ended up on the trigger without moving it off right away (which is what he did several of the times it made its way in there).
After watching it twice my complaint isn't with the finger on the trigger as much as I feel he should have kept two hands on the gun at all times. Had he done that his hand movements and shifting gun would not have led him to put his finger on the trigger. IF you watch close at the moving of the gun you will see him move the finger from the trigger guard on to the trigger as he tries for a better grip rather than bringing it all the way back to the stock. Maybe a better grip the whole time would have been to wrap his fingers all around the stock rather than going with a handgun grip with the finger on the frame.
Oh well - If you watch him from the shoulders up it doesn't matter and it is a very good segment