re: Oh, wait...
If any Muslims in America organized a major march supporting America and opposing radical Islamists, I must have missed it. To be fair, it's not likely the media would have covered it.
Oh, there have been attempts at getting the moderate word out. The moderates are certainly there. But they aren't the ones being heard.
One of many articles on this subject can be found here.
A slightly bigger picture can be found here.
If 3 percent of all Christians or Jews believed that their religion should be spread by armed force, and that any pagans across the world should be either converted or killed, you might have a point.