Exploits eventually get patched..
Helps the game take shape to have them noticed.
Even then it depends how you define an exploit right?
Spawn trapping is a tactic.. I remember MW2 being a little bit better about spawns than black ops.
Can't put your head down and expect to excel while playing battlefield you can spawn way back and come in hot having taken your time.
That's just one reference not saying that is why you hate COD
but if you put in a mic what do you expect to hear?
I don't think I've heard helpful communication in any call of duty game.
I liked Ghost Recon for that aspect though had to say that was a nice change of pace
almost everyone in that game was focused on the objective and called out enemy locations.