That would be good with -15 wind chill added in, they might get popsicle syndrome within 5 minutes of the drop. Anyone leftover still protesting can be told, "that's OK, we'll warm you up" as the microwave crowd dispersers get rolled in, then any die hards that just completely refuse to leave can be encased in the crowd control foam to be left as a new shrine to light candles around as a permanent memorial to leftist activism.