I have a problem with committing and then reneging on your commitment. However, you can't fault an 18 year old going to get paid. It's going to become more of the norm.
He didn't "decide" to play overseas and make bank. The only decision he made regarding college was to go to a prep school which made him wholly ineligible in the eyes of the NCAA. He had as much chance of playing at Arizona as Stephen Jackson. He can spin it any way he wants for prospective nba general managers, but the fact is he couldn't have played a single minute of college ball.