I've had to lay down from time to time, but crawling was not really part of the drill.
Hard to say what he is hunting but I would guess he isn't killing much. But it sounds like a good plan if you are a faker and don't want to shoot and clean anything. Well that is except your clothes.
Looks to me that he's hunting wabbits. Even Elmer Fudd demonstrates better range safety. Or maybe this reach out is his way of doing the "it's duck season; no, it's rabbit season; no, it's duck season ..." The flip flopping has a nice familiar feel for him.
The transparency of all this is PATHETIC.