question

So I got banned from a BF4 for saying a specific word I'm not going to repeat here but I just wanted to know. WHY BAN FOR CURSING? I am not trying to be an asshole about it I'm just curious has something happend in the past? I just would like a reason as to why someone would get banned for...

I've searched on the forums and couldn't find a yes or no answer, so I decided to make my own thread.