an and1 player giving tips to a D1 player
i've seen them at the gym one time, they aight.

Why not?
Bill Collector was training NBA players, like Ben Gordon, on their handles. You can learn specific skills from anybody.
Gregg Popovich is considered maybe the GOAT coach, and he never was an And 1 level player. Jeff Van Gundy, Stan Van Gundy, Mike Fratello, etc.
I'm somewhat impressed by this little niche that the Professor has been able to carve for himself after And 1.