At least according to some British basketball site that seems to have no idea what it's talking about.
NBA superstar Luol Deng is set to be ruled out of GB's basketball squad
after the Chicago Bulls won a club versus country fight over the
The article makes it sound like this choice was on the Bulls and not on Deng. Deng himself said the Bulls supported him playing international ball, but he didn't feel he was ready to go and thought it was most important to get healthy.
The article doesn't seem to give much thought to Deng's actual physical problems as well making it seem as though he'd be all set to play right now while that doesn't seem to be the case.