Any authoritarian regime depends on the populace bullying itself. Look at the old DDR where, after the collapse of communism, some people discovered from the Stasi files that their spouses had only married them to spy on them for the state.
Things aren't that bad here yet, but in Consett, Co Durham locals are copping speeding drivers themselves and reporting them to the police. The police then send them a nasty letter.
I've always believed that Cameron's Big Society will just pass power to the small minded, local busybodies, rather than abolishing much of our ridiculous legisation. This proves the point.