I'm not buying it.
Like I've said many times, basketball is by far the dirtiest of all college sports, and it's because the AAU system is set up to have organized cheating that gets around the rules.
The NCAA really wants to bust Cal, which is why they've removed both of his Final Fours for things completely unrelated to his recruiting practices. They just can't bust him, despite the fact that he's flaunted his relationship with Worldwide Wes for years now. Street agents are the rule, not the exception in college basketball, and Calipari just so happens to have the best one of all in his pocket. The NBA's one and done rule has opened the door for a guy like Calipari to have a load of success. If that rule were to change or be eliminated, Calipari would be an average coach again. The one year rule came into affect prior to the 2005-2006 season. That just so happens to coincide with the same year when Calipari finally got Memphis over the hump and started his run of Elite Eight, Elite Eight, Runner-Up, Sweet Sixteen.
The NCAA could probably mess with Cal more than they do, and they may eventually, but there isn't a lot they can do because the paper trail is either nonexistent, or it is disguised in ways that fit within the NCAA by-laws.