The point is not the ice cream or the piss. The point is his deliberate indifference and his refusal to take a stand.
Use your head. If Obama came out with a “tear down this wall” type of speech, it would be the kiss of death for Mousavi. It would make him look like an American tool. Pat Buchanan (a true conservative) said the exact same thing not a half-hour ago on McLaughlin Group.
You explained it perfectly