Actually, all it does is pave the way for endless trials of police officers, who are the ones who will be hung out to dry if any of the precious widdle looters are shot and killed. Somebody has got to give the order.
The rule ranchers use to take care of predatory species that are protected by Federal statute should be done by the police and National Guard to take care of these biped predators: shoot, shovel, and shut up. (In New Orleans, shoot, let float, and shut up may be a better rule.) Just keep the reporters and their cameras holed up downtown and take care of business.