It is wrong to kill people.
It is wrong to kill children.
It is ok to kill pretend people.
It is wrong to kill pretend children.
I agree with the above set of statements and I believe it's a majority view. I greatly enjoy murdering enemies in shooting games. In Call of Duty multiplayer mode, there are few things I relish more than shooting my brother between the eyes, or cutting my teenage son's throat as he sneaks up the stairs of a mock suburban home.