Not cool if it was done for a movie ad. The cartels are pretty good about keeping their mess in Mexico, at the border or in the ghetto. They're not stupid. It splashes across suburbs, you'll have Blackhawks dropping SF folks within hours. Drug dealers tend not to be ideological, they're businessmen. Brutal and only semi civilized, but businessmen interested in profit. Not much profit in choking on 5.56 entry wounds to the throat.
Americans are extremely eager to consume the drugs they demand be banned. As long as the consequences are out of sight and mind, no worries. Show them the consequences of Prohibition, and things get interesting.