The murder of an young man who was trying to sell his Playstation was an outrageous crime. This was an attempted robbery of the Playstation that turned into murder. It was senseless violence that may have been influenced by the video gaming environment and the immaturity of young people using the games.
There is nothing wrong with enjoying some time gaming, but it can be very addictive for some people. If you are willing to kill someone over a video game system, you are WAY to into video games. As with everything in life, moderation is key. Video games can be isolating if you play too much.
No, there a lot of gamers that rage if they lose a game or if they aren't doing well, but most leave it there. The actions of one do not equal the actions of the majority, while there are some who go too far, most are capable of controlling themselves if they lose a game.
Occasionally, there will be people who commit crimes in the name of video games or video game consoles, but they are outliers. The vast majority of people who play games do it to escape reality for a while or to vent negative emotions. It's not that different that from working out one's anger by running or swimming, and it's an effective way of doing so without harming anyone. There is no such thing as an ordinary, peaceful person who turns violent because of video games; The people who claim this were already predisposed to criminal behavior and are using video games to justify it.