#3 can easily be fixed by muting the players and #4 was already proven false. For 4: http://www.independent.co.uk/life-style/gadgets-and-tech/violent-video-games-dont-make-you-aggressive--difficult-games-do-says-new-study-9246838.html And video games helps you, link:http://www.futurity.org/video-games-speed-up-reaction-time/