Gaming to me is pretty much a hobby. I enter tournaments, contests, play for fun. w/e it is, if it's gaming i'm happy.
My point is if something makes someone happy whether it be games, art, literature, heck even smoking, what is it in our right to question them? They know what they are doing can be viewed as wrong to some and right to others. That's the world we live in though, we respond to what is viewed through other people's eyes. My friends know I love gaming, probably to an unhealthy degree, but they live with it and they accept that and that's why I see them as friends.