A sadly week comic. New York is consistently voted the most polite city in the world: http://www.msnbc.msn.com/id/13452608/ns/us_news-life/
Or is the comic supposed to be somehow hyper-ironic? Or tragic?
Then once the instances of raining assholes increased to a point of extreme inconvenience, a corporation was created to deal with this situation. This organization was known as the Umbrella Corporation.
I wonder what they did with all those assholes? Hmm...