I echo your sentiments, sadly I think it's yet another one of those " Lessons need to be learned " episodes. Nothing will change. We have been here so often regarding, racism, sexism, anti-Semitism...The method and the style will change but it will still go on.
If the likes of Vaughan, when he's stopped vigorously denying everything, can take the 'bantz' out of his repartee, that will be movement in a positive direction.
If, on the other had, he gets a job on GB TV, where he can wink at Das Reich every day, while bemoaning the state of things....