They may be dead useless idiots.
Not necessarily, arcording to this article anyway...
...the UAVs likely would not succeed in a large-city attack. It's the smaller cities and towns that would be more vulnerable.
Those smaller cities and towns might be populated by conservatives. (And of course, even cities like NYC and San Francisco have a few decent people in them, e.g. the staff of National Review, and Michael Savage, respectively. I realize you're being jocular --you are, right?)