Exaggeration

Why do players moan about reporting and whatnot if they got kill stealed(ks) or not staying in lane in Co-Op vs AI? Does anyone actually do it? And Im pretty sure you can get banned for misreporting. Especially when losing~ A bad player is so called "reported" when losing but no one reports if the bad player in the team won.

Should I be taking this "seriously"? What kind of "jokes" are these if they are anyway? They are nowhere even laugh material (-_) So much moaning... Is there a way to block of the chat pane or make it disappear?