Dissent
I can see these devices being rolled into place during political protests where all they have to do is line a couple of them up to intimidate the crowds. IT IS PERFECT FOR DISSENT because it is fearful and intimidating. A whole lot better than machine guns, or rows of cops standing guard with shields and night sticks.
You know, I find you guys hard to believe your complacency with some of this. We've seen examples of these non-lethals weapons used indiscriminately, and yet, you still find them allright in your book.
For some reason, you don't find them a problem. Just a solution.