Not that Obama wouldnt or hasnt said the same things as Iggy.
But that is hopeful. The designation of terrorist organization is by no means just a labelling. It hamstrings an incredible range of activities and relationships that could otherwise be carried on.
Complete isolation of Hamas also emboldens Israel even more. So while the US at least acknowledging Hamas is far from sufficient, this 'less bad' is still another crack in the wall. No crack brings a wall down, but....