The excuse that was made for the USA team losing in the olympics was that they were not a team that practiced together. Any NBA team would easily win - so we've heard. A small european team just beat the Toronto Raptors. That excuse seems to be a losing arguement. Here's an article on that game:
http://sports.yahoo.com/nba/news?slug=cp-nba_exh_maccabi_tor &prov=cp&type=lgns
http://sports.yahoo.com/nba/news?slug=cp-nba_exh_maccabi_tor &prov=cp&type=lgns