By desensitizing us to violence, the more real the more desensitize one becomes, we uprise our own tendencies to use violence as an automatism... Sadly so...
Luckily, there is more and more games oriented toward creative and positive thinking experiences moving humans away from the depression inducing games that tend to promote violence.
Namaste :)
Yes, there are some really good games aimed at other awesome things as well and it's fun to play them more than the violent ones :)