I very rarely came across rude or disrespectful people. I don't know how I slipped by all of them but I honestly can't think of one experience off the top of my head that was like that. I'm sure they're there but I'd have to think really hard to recall them.
Does the imam have a legal right to build the mosque at Ground Zero? The answer is yes. But is it the right thing to do? The answer is no. And most Americans and most moderate Muslims join with me in that call.