AFL recruiters view kids alot more than 3 years out. Try 6 years out +.Recruiters look at players 3 years out. I can guarantee you that recruiters didn't say to themselves who the hell is the Kirby kid on the back of 2 VFL games. You can't 'hide' anyone anymore.
Playing him may have exposed him more. But by not playing him no one would have known if he could play at that level.