Brian, you is da man. Fantastic explanation, short and sweet for those who like it that way, yet full of complexity for those who can read betwen the lines. Masterful.
I think it is hard to achieve the axis tilt that Nicklaus does - and that the axis tilt is the absolute key to his swing, and to making that plane work.
And that Nicklaus' swing without the big hips move would make a massive hook.