IMHO the large secondary axis tilt is because he tees it high and hits up with the driver. It wouldn't work with a 5 iron off the ground.
I know it is anti TGM but the long drivers hit up on the ball and Trackman confirms the video below.
go to the 3:26 mark
Not necessarily anti TGM, as there is room for special procedures, for special purposes. Like a super high launch angle for the long shot guys.
But, for the record, the ball is only hit on the upswing if it is forward of low point, the left shoulder, at impact. VJ's left shoulder and others are not so and therefore they are hitting down.
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