I don't believe that dubbing is just for show purposes. OEG have very large combs and can suffer from frost bite very easily in a cold climate. That is another reason one may dub. I would not do it personally.. But there are other reasons why one would do it.It's standard only if you show. Dubbing in no way changes the qualities otherwise in the chicken...as in other species. In dog showing, many are taking a stand and showing dogs naturally..docking/cropping does not change the dogs conformation just the way it is viewed. Sorry, I guess this is a pet peeve and I shouldn't take it out on you. I just don't like animals hurt for the sake of looks.
That's why when I picked a breed to show, I went with one that is shown natural.