It's been my experience that it's the DUmmies that behave the way T.O. describes.  ALL of them are arrogant, obnoxious, self-centered, rude, loud, and generally in a pissed-off mood.  Those are their GOOD points....
People I've met carrying a book by Rush, Hannity, Beck, Levin, et al have been kind, gracious, and pleasant....
DUmmies are like Dracula.  They look in a mirror, but see nothing....