If you haven't (and get the chance), give this paper a read some time. It's pretty fucking amazing, in a totally bad and disturbing way.
e.g. the one I picked up today included a poem by someone who used to teach English lit at a university, and is now homeless. We've got engineers, accountants, teachers... All kinds of people, homeless and destitute and able to do nothing about it.
But remember, folks, ter'rists are public enemy #1! Hoo fucking rah.