You're getting a lot of replies to this comment saying these examples show correlation and not causation, which is a fair thing to say, but also dismissive.
A similar question worth considering is whether or not violent people are drawn to violent videogames. In my somewhat-informed opinion, they are, and that's significant.
A similar question worth considering is whether or not violent people are drawn to violent videogames. In my somewhat-informed opinion, they are, and that's significant.