Why? Because Obama hasn't roundly condemned Israel for the flotilla incident.Via McClatchy
Israel's deadly raid in international waters on an aid flotilla en route to break the siege on Gaza - and Obama's tepid response, in comparison to the condemnation of other world leaders - cemented perceptions for many of unconditional U.S. support for Israel . Some Arab commentators and bloggers said Obama no longer deserves his Nobel Peace Prize.
...Gallup surveys conducted between February and April of this year showed a dramatic decline in Arab countries' approval ratings of the U.S. administration. In Egypt , where he delivered the speech, the poll showed that Obama's popularity dropped by 18 percentage points. While some Middle Easterners said it was unfair to judge the president so early on issues that have persisted for decades, others said they definitely expected more in the year since his oratory olive branch to Muslims.
It looks like the rest of the world is getting used to what we have known for a while — that if you rely on Obama's oratory olive branches for reconciliation, you're going to be stuck up a tree.