. . . he doesn't know what to do (he's taught positions, not alignments).
CB has the full-swing yips. As one who has encountered a similar problem in the simple putt, I understand (as few do).
At LynnBlakeGolf, we teach MOTION. Motion learnedMECHANICALLY; alignedGEOMETRICALLY; and performed (ultimately) SUBCONSCIOUSLY. [For the record, these lines are copyrighted.]
I watched only a handful of minutes of the CB / TGC experience. Knowing the pain being experienced, I could not watch any more. I know I could help -- in ways left unexplored -- but that opportunity did not come my way.
The Yips are a terrible thing.
And their origin must be understood before they can be overcome.