You cannot have read my 2nd sentence. It's unfortunate that this kind of thing exists but it does.
I am sure Derby fans behave just as appallingly at times, if not the same manner, in a similar manner.
Talking of scary occasions Andy, years ago we stopped in a carvery type pub in Derby. 4 of us and 4 kids. My 7 year old son accidentally knocked a girl whilst playing on the playground slide. Her older brother (about 12) threatened him and then went off home to get a knife. We all withdrew to another eating establishment.