Violent video games/movies/art influence people... everything that you ever experience influences you in SOME way. If a person is already disfunctional, video games might influence them in the wrong way -- but so could art, a book, a movie, a television show, etc. Why not just ban EVERYTHING, since ANYTHING could influence a person negatively?
Video games are a way more advanced version of something like Dungeons and Dragons. You're taking a role in some way and doing something. You could very well roll a 6-sided die and "kill the dragon" and that could bring out the homicidal rages in you just the same. So, what's the difference? I don't think "fantasy" and "reality" should be linked like this... the reality is, a video game doesn't "set" a person off... a person who is influenced by shit like that is already set off to begin with.
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