Why Do Video Games Cause Violence?

Violence is happening all around the world and it is said that one of the biggest reason for violence is playing video games.
It is true that there are many games that show violence; however the purpose of creating this games was not to promote gamers in doing more violence as violent but to entertain. Violent games are rated for adults and so if parents take a good look the type of games they purchase and also become responsible for what kind of games their kids play then this would in some way cut down teen violence when it comes to playing video games according to Ferguson.
Adults who play video games and are violent is not the cause of the video games that influence them. Even though people argue that video games do cause violence