We must be scaring the hell out of them.
The left knows that their "philosophy" is completely bankrupt, and they're unable to argue based on the qualities of their beliefs. Because of this, they have to rely on demonization. The useful idiots of the left don't understand that this is the way all tyrannical governments start their attack on "the bad guys." Eventually the leaders of the left will attempt to criminalize the dissenters, and eventually you wind up with "the killing fields."
How many people did Bill Ayers say would need to be murdered for his beliefs to come to fruition?
Mark