If we made people fly through an obstacle course we wouldn't have any newbies to dust and the JG2 would be reduced to a 1:10 kill ratio on a whole.
One has to view the demon beer like one views the demon handguns. Sure beer causes a lot of violence, but not nearly as much as would be caused if there was no beer. People can't hit as hard or shoot as strait when they are loaded up on 34 gin rickies, minus the ricky. Just as Handguns prevent far more crime than they cause in the US.