Unbelievably cock shy. You'd think that if they are eager to pull out the internal organs they could pull down a zipper.
They have however, become most efficient with decapitation.
At least they have become more skilled in cinematography.
Still, they got it wrong. Start with cutting, then evisceration, then chop off the limbs, and the head. By shooting him first, the poor guy never had a chance to enjoy the pain of his demise.