Is the Manipulated Hands Swing compromised? Not in the least.
Centrifugal Force drives the Clubhead and aligns the Clubshaft. The player aligns the Clubface based on the shot at hand and the Pattern Variations he employs.
"The Mechanics of Golf is the production and manipulation of the Line of Compression." [Italics by Yoda.]
-- Homer Kelley (2-0)
And remember...
The 'manipulation' of the Clubface occurs prior to Start Up. There is no manipulation of the Clubface during the Stroke. So, align the Clubface as necessary when taking the Grip in its 'Fix' alignments, then...
Return the Left Hand to its Flat, Level and Vertical alignment at Impact.
Threaded Mode