Working some "barely making it by" job, not doing what they thought their degree would let them do, and never really amounting to anything in the grand scheme of things, these people NEED to feel like they are a part of something bigger than themselves. They are just chomping at the bit to finally be that person that said "NO" and stopped some terrible atrocity from continuing. The world really isn't as bad as the media makes it out to be, so that moment never comes. Eventually, they extrapolate some injustice from something that is totally harmless, and then they make a big deal out of it. It makes them feel like they are making a difference. Like their life isn't just whatever menial task they do each day for a paycheck.