You would be surprised to see what motivates people to do the things they do, even if it's just a child (
https://kotaku.com/grand-theft-auto-blamed-after-eight-year-...) or a teen (
http://www.foxnews.com/story/2005/02/16/lawsuit-grand-theft-...). And this is just one video game so you can only imagine what all those violent sports and a whole lot of other video games can make people do. Common sense, after all, is not that common.