Titleist promotes that the best ball for an individual is the ball that performs best through the entire bag. Completely accepted.
Titleist also promotes that all players compress every ball on every shot. Perhaps true, but I am suspicious that perhaps not every player optimally compresses every ball on every shot. Titleist recently posted a video demonstrating similar ball compression with 120 mph and 175 mph swing speeds - Pro V1 tested. No doubt there is a threshold that is achieved at faster swing speeds (>95-100 mph), and this video curiously fails to demonstrate compression in the driver swing speed range of most golfers (80-90 mph). Also, as appropriately promoted by Titleist, most strokes on the course do not occur with the driver, so a very relevant question pertains to whether the 'average' golfer (average swing speed) achieves adequate ball compression to allow for optimal ball striking - particularly with mid-long irons? Are most other ball manufacturers wrong in promoting that optimal ball striking is, to a significant degree, dependent upon optimal ball compression?