Call of duty appeals to a distinct branch of multiplayer shooters. In its own league, pick up and play shooters with fast respawns, it is the king. Because that is how the game is set up, for fast paced games.
What more shooters should be doing is coming up with their own niche of multiplayer. Class Based structure is dominated by Team Fortress 2 and Killzone 3. Halo Multiplayer is a game unto itself. Battlefield does excellent vehicular combat.
More games need to play up their strengths to offer a unique multipayler experience, rather than trying to beat a game at the top of its class.
What more shooters should be doing is coming up with their own niche of multiplayer. Class Based structure is dominated by Team Fortress 2 and Killzone 3. Halo Multiplayer is a game unto itself. Battlefield does excellent vehicular combat.
More games need to play up their strengths to offer a unique multipayler experience, rather than trying to beat a game at the top of its class.