Wondering if a Certain Player got Banned.

I was talking to a guy after my game, and was telling him the way he acted I knew he was going to get permanently banned. He made fun of me and said that he wasn't going to then proceeded to call me more names. Unexpectedly, I get a message saying that my feedback had punished someone for unsportsmanlike. At the same time I saw his name fade away from lobby. With joy I remember telling him to make a forum post begging for his account back if he did get banned because I had a feeling. Now I am writing this to see if he would respond in hopes that he could tell me what happened.