I don't see an issue myself, Diane is/was one of the better players here, based on the open quals and performance.
Having an "at home" teacher like her would be a big plus.
Heck, who wouldn't advise a spouse/friend/etc., the correct way to start off at WGT and make credits? Couple the "how to start" with a very good player, and you could mentor a credit maker for sure.
BTW, in another thread RUNWME posted, he did show some account activity as he was trying to be the monthly earnings leader...costing him twice as much in entry fees as he won.
He just wanted to "be on top".
Hey, some guys like me build my own hotrod, some guys buy their own hotrod.