This is why the esrb cannot rate online interaction b/c you got the cool guys and the d-bags. You cannot control voice chat by trying to censor it. That is why if you are a kid or have kids that play really consider turning voice off or maybe pick a different game like tellitubbys.
People are entitled to react overact or just be a plain jerk. The best part however is you are also entitled to not run with them, ragequit, or react back. Really this is no way to justify recording everyones conversation looking for a few bad eggs. Just flip the bird, ragequit, squelch, move on with a smile.