From BBC
Clarke Carlisle, chairman of the Professional Footballers Association, talking about QPR captain Joey Barton and his 12-match ban for violent conduct, on BBC Radio 5 live: "It is not Joey Barton per se that is the problem it is the actions he does when he loses control.
So there you go. Peter Sutcliffe wasn't any problem to society, it was more them bad things wot he done.