Just because you don't go out with a gun on a rampage, doesn't mean the games haven't had an effect on you. I think the issues are far less subtle. for example, I grew up playing games and I don't think much about them...but on a side note......I seem to be less sensitive about my kids watching me play (they are 5 and 3). Shielding and protecting them from this type of violence at their age should be something that I am doing...but I'm a bit de-sensitized and I don't see it as being an issue. I can watch gory movies, I can look at gory pictures on the web and I want to see the raw details sometimes...and some of this fascination I'm sure is from a desensitization towards this type of stuff.
It's always something fun to think about.