[stinkler]

No one here said JS is Biomechanically efficient? Don't know where you got that from? I would, as Bio recommends, go for the actions of Hogan any day of the week, I want to hit fairways and greens, not the end of a footy pitch.
To what end you ask? Less injury risk. More efficiency, not just power. Some seem to think Biomechanics is about just hitting harder, this is not so. It is about efficient use of body movement, this may well result in more power. It's about creating a repeatable swing that compresses the ball so that distance control is better, not just distance. Accuracy improves as the regularity of the swing improves. Consistency is built through this training and that leads to better accuracy.
It seems there is much being read into this that has not been stated, this is not about the LD guys.