I agree that he should not have won this award at this time, but is it Obama's fault that they gave him the award? The criticism should be pointed at the selection committee and not the person who received the award. Unfortunately, the news (and commenters) seem to be blaming Obama for receiving the award.
Obama chose to accept the award when he had ample opportunity to decline it (and earn plenty of PR points for being magnanimous in the process). He accepted it, so he should get an equal share of the criticism.