The question is simple, some gamers are litterally rigged to play with a gamepad in their hands, however, although Crysis 3 supports the use of a gamepad, aiming in the multiplayer is a straight nightmare. You miss almost 100% of your shots because there is just no 'aim assist', making gaming simply impossible.
Those who play with the mouse and keyboard will not give a ...., but what about those people who would like to have some fun with a gamepad?