Part of the job. Reporters are going to stick microphones in your face and ask uncomfortable questions. Correct response(and I'm sure they can handle this):
"Man, I just play D. Coaches make those decisions. What you wanna know about our Cover 2?"
But, honestly, everyone knows it's Cromartie jacking his jaw. He's quite possibly the dumbest player in the NFL. Hard Knocks, where he couldn't name his children, did him no favors.