It's a common way to pick up terriers and whilst I don't like it and never have it's been going on for years.
As for worse things that go on at Dog Shows, boredom is the main one, sitting around waiting for your class in a cold building.
Dog shows aren't this mysterious environment where people commit atrocities, they are usually full of middle aged or retired women with a few men scattered about bitching about each other and each others dogs.
And that's with 40 years of dog show experiences, I've been around the scene since I was 4/5 when my Mum got a rescue Golden Retriever called Chester and his breeder advised her that he would be great to show
Don't forget plotting how to get their dogs made up! "You put her dog first at such and such a show, she'll put mine first at so and so then I'll make yours up at you know where."
Despite all the politics and "face" judging we had a lot of fun showing our dogs, met some fantastic people, made lifelong friends and learned a lot about dogs. Some show people will do whatever they can to win including breeding dogs to accentuate deformity as in GSDs but most are people like us, who's dogs sleep on their beds and are loved with the kind of devotion that they give us!
What concerned me more about Crufts was the setter that was poisoned. I dare say that we'll never find out who did it or why it was done but I doubt that even the most competitive owner would stoop to this -the cash rewards are just too low to even consider it. I think it's much more liekly to be some animal rights nutter out to scare people into keeping their much loved pets away from shows.