There are gaps in the social security systems and if you fall threw them, can not find a job and do not have (or is to proud to use) family and friends you can leech of, you are just about out of legal options. Of course, you can argue that there are better criminal options then the violent ones, but that would depend on your particular set of skills. A vote for PES is a vote for EPP! A vote for EPP is a vote for PES! Support the coalition, vote EPP-PES in 2009!
The only exception is if you're a drug addict. Then you do need to commit crimes to finance your habit.
The problem here is dual, one that Sweden has a War on Drugs mentality that would make the US proud, and two, because all the massive centralised insitutions (mental hospitals, narcotics clinics etc) were closed in the 80's because they were considered "inhumane". Which well, was partly true. But the principle was sound, the practice was just a little harsh at times, and they could have been reformed. Peak oil is not an energy crisis. It is a liquid fuel crisis.