Norway's alleged mass killer testified on Thursday that he played video games as a way to train for a shooting spree that killed 77 people last summer. In particular, Anders Behring Breivik said at his trial that he played "Call of Duty: Modern Warfare 2" as a means of shooting practice, according to CNN's report.
But you can also use a flight simulator to learn how to fly a plane. The question is this: What do you want to do with the plane? What do you want to do with a war simulator? (This is my most Spinozist post ever.)