Surely the more important skill is the ability to PLAY? Surely! What real use is knowledge that you can't use?So he performs at a high level but his theory is lower. On the other side of the coin I know someone who knows a lot of theory but this is not matched by their playing skills. Which skill is the most important and how would you rate these guys next to each other?.......difficult.
This human doesn't so much have a need to categorise things. I have a desire to discuss things. Something I would have thought is reasonable in a forum.