A decent amount of the rationale for improving the full swing vs. improving the short game is that if you can hit the ball further, you'll be closer to the green, thereby improving your GIR percentage. Say an Ionomer covered ball travels 3% further on your drives (with less sidespin), a 250 yard urethane drive now travels 257.5 yards, and you are almost a club closer to the green. The main benefit to the urethane coated balls is extra control spin control around the greens. Most people are arguing in this thread that players should be practicing their full swing more than their short game to improve faster. Should they also be using a ball that travels further off the tee (at the expense to a little control around the greens)?
He does seem to turn his hips enough, but it just looks out of sequence. He might be trying to get more "X-factor" or something? Whatever it is, I totally agree that his sequence does look pretty violent and prone to injury. Hurts me to watch it too. . .and on top of that he's not generating that much SS.