Too much realism makes a game boring. And a lot of them are overrated. There's nothing special about them; they're just the same game over and over again, especially Cod. No creativity. A lot of them have some really bad stories and short campaigns. I know it's mostly about the multiplayer, but campaign is important too.
Ex. Call of Duty series, Battlefield series, Operation Flashpoint series, ArmASeries, Homefront, Rainbow Six series, and Medal of Honor Series.
I'm not saying there shouldn't be any realism, it's just that too much is boring. Realistic physics are good, but that's about it.
I don't hate all realistic shooters, I like Cod 1, 2 and 4. Battlefield Bad Company is the most recent one I liked. But now, there's just too many of them with no innovation.
Creative shooters are the ones that should dominate the market. Ones that are pretty imaginative and don't rely on just shooting things.
Ex. Halo series, Killzone series, Gears of War series, Resistance Series, Crysis series, Bulletstorm, Bioshock series, Uncharted Series, Alan Wake, Fallout series, Red Dead Redemption, The Darkness, Resident Evil series, Left 4 dead series, and upcoming creative shooters like Rage, The Darkness 2, Shadows of the Damned, and Bioshock Infinite.
By the way, I don't like only shooters, i also like RPGs and action/adventure games. I'm just wondering what's so special about these generic shooters that have so much hype.