Your observations are on point, very astute although kinder than I would be regarding Tyler. Tyler reminds me of a player that turned into a coach, a coach he’s spent some time with, Mark Wilson.
Mark, as you know, once played pro pool for a short period of time, emphasis on the word played as he never won a damn thing, for the same reason Tyler never does, lack of heart. He played slow, unless he had absolute perfect position, he’d look to duck and play a safety. I saw him shoot over .900 in a match once and his opponent shot a lower percentage and won the match.
Some guys, while through hard work and dedication actually develop a skill set to where they have all the tools to play at an elite level, but they lack heart, they have a ten cent head and never reach their full potential. Tyler doesn’t need a mental coach, he needs a heart transplant. Or he could do what he’ll eventually do, just become an instructor. Some guys just can’t compete, they just don’t have it in them.