Regardless of your experience with video games, I think it's generally understood that they are not one in the same, although, one can generate interest in the other. I'm sure many competition shooters are gamers, but I don't really believe that the gaming hones hand eye coordination in a way that's relevant to shooting actual firearms. Playing video games can increase your mental capacity and awareness, but learning how to shoot safely and correctly are different skill sets acquired with lots and lots of practice (which I'm not anywhere near!). What would be interesting for this thread is to have actual non-gun owners chime in on how shooting games make them feel about the real thing. I am a gamer myself, but one interest didn't preclude the other. I've "played" with several real firearms in my youth before shooting games existed (in the capacity with which they did when, say, Wolfenstein 3D came out). Now I'm sure there are many out there who don't make the distinction, but shooting games and an iron in my hand always felt like two completely different things. One everyone can do. The other, taboo and much more awesome.
Gaming definitely isn't bad for gun owners, in my opinion anyway. Just in the same way, as many posters have mentioned, that movies and TV isn't bad for gun owners. AD's in the home because your children getting a hold of your unlocked gun, gangbangers and drug lords indiscriminately shooting up other human beings, and tightening of gun control with no basis of statistics is what's bad for gun owners.
Where the industry might greatly improve is making the guns in their games more real, ie; dropping half full mags means losing the rounds on a reload, not insane blood and guts or heads exploding, not every guy on the screen is a baddie and there are huge penalties for shooting civilians. We are getting there, but it's hard for a company to throw in all that realism at the expense of their profit margins. Most people (consider, we are the minority here) have no concept of how firearms work other than the pulling of the trigger, and I would dang near guess that lots of people think they go off by themselves! That's why Michael Bay sells (ugh...). Explosions and blood and guts sell.
I love getting people into guns whether or not they have an interest in their video game counterparts. It's well understood that the games aren't "scary", but holding the real thing in your hand is. I think most people, under the patient tutelage of a gun slinger, would love getting into firearms just because of how exciting they are. Far more exciting than the Call of Duty you speak of, anyhow!