It doesn’t. Has there ever been a theater shooting where the guy brought a bag? Not that I recall. The Batman shooter used the emergency exit. It’s nonsense through and through.

I once sat next to a girl at the movies who produced, seemingly out of nowhere, a steaming hot bowl of French onion soup and proceeded to loudly slurp it for the first 15 minutes of the movie. It was the weirdest and most impressive damn thing I’ve ever seen in my life.