This is my take.
Purely assembling a laid off position at the top, is easy—just over rotate the left arm flying wedge. That will give you at top of the backswing position that is much more open—all things being equal—than the "pointed at the target" orthodox top of the backswing.
So, conversely....
Purely assembling a cross the line position at the top, is easy—just UNDER rotate the left arm flying wedge. That will give you at top of the backswing position that is much more CLOSED—all things being equal—than the "pointed at the target" orthodox top of the backswing.
So for some golfers, like most regular Joes and Janes, Haney is dead on correct—more laid off, more right ball, more cross the line, more left.
But....
That's not what the science says.
But the science is assuming an on plane motion of a certain kind of swing....with a certain hand path....
So...
Here's the way I see it:
The Hogan-Sergio-McIllroy-Fowler model (Flat Eventual Sweetspot Path Plane/Steep Inward Hand Path/High Right Shoulder Socket Path) closes it more like the science model from laid off, and opens it from cross the line.
The Nicklaus-Calc-Toms-Tom Barttlett-Lindsay Gahm model (Steep Eventual Sweetspot Path Plane/Outward Hand Path/Low Right Shoulder Socket Path) opens more from laid off, and closes it more from cross the line.