Yep it's exactly what we do to all our celebrities and idols here in Britain.You built him up, tore him down, and then wonder why he'd want to go elsewhere.
The problem is a lot of people rightly or wrongly see a move to the MLS as a step down for Beckham, given the general lack of enthusiasm for the game over there and the fact that traditionally the Europeans who went across to play in the States were older players either looking for a final pay day or the chance to try and prolong their waning careers for another season or two.
Anyway aloofman, he could have made far, far worse moves. After all, Spurs were reckoned to be interested in him.