Thanks Mike. Interesting video.
I understand that top players have the same range of performance. I think that what creates the illusion of consistency is that they simply have a higher level bad game. When SVB's bad performance is still ranked in the 730-750 range and at times he performs at nearly a 900 FR level, well, that is pretty impressive. That means if you played him a lot of sets he'd quite often play near flawlessly, and even on that rare 'bad' set he'd still play championship level pool.
Meanwhile players that are < 770 can often play championship level pool, but can at any time turn in sets that are mediocre at best.
Pool is a tough game!
I think you said this very well. Elite players have bad days just like the rest of us. However their bad days are still way above what most players can achieve.