A point of exception would be your basic premise, namely that the Hands must always be moved "solely with the Pivot." Remember, Pivot Strokes are optional, and in these instances, the Arms supply the necessary transportation for the Power Package.
I feel like I walked through a rainstorm without getting wet.
Here's where it gets interesting(for me anyway). By hands solely moved by the pivot, I meant specifically from release to finish. Does everyone agree that "hands moving hands" downplane should not happen from release point to finish in a Swinging procedure? In Ben's words you'd be "adding".