Just this past couple years, a group of teenagers, who were all big fans of GTA, went on a large spree where they murdered 5 people, held up dozens of people at gun point, and so forth.
If we were to dig a little deeper, I think we'd find that those kids had MUCH bigger real life problems than a fondness for GTA.
Oh, and from the article you linked to:
"Baehr also reminded parents that there are plenty of other videogames, including Christian ones, for children and teenagers that have little or no violence and that certainly don't have any sexual content or nudity in them."
Gotta love how these Christian groups always seem to think that sexual content or nudity are much worse than violence. And yet they have the nerve to lecture others about priorities.
"God isn't interested in technology. He cares nothing for the microchip or the silicon revolution. Look how he spends his time, forty-three species of parrots! Nipples for men!"
"The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people so full of doubts." -- Bertrand Russell (I think...)