They might look slightly laughable, but they're armed, dangerous and are prepared to open fire on dissidents at a moment's notice. Let's see what happens when one of them spots a group of youths breaking the mandatory dawn-to-dusk curfew, shall we?
Blammo! The bedtime-dodgers are immolated with extreme prejudice.
A few stragglers manage to survive the blast and run away, still screaming and still very much on fire.
One unlucky punter gets disorientated in the aftermath and blunders into a 'Wall of Light', an electrified barrier which vaporises anyone foolish enough to try and pass through it.