I agree in part with you on the high, unnecessary price tag on cross breeds and I agree they are often puppy farmed but I think you've come across both very unpleasant and very naive indeed here OP.
Your comment about never being best in show is beyond ludicrous.
The Kennel Club wouldn't know a good example of a breed if it smacked them in the face..
They destroy every breed they get their vile little hands on.
If it they don't destroy them through ugly exaggerated features - Flat faces leading to BOAS, droopy eyelids leading to entroption, massively exaggerated flews leading to dogs that have to wear bibs due to constant drooling etc etc etc they destroy them through too small gene pools and not allowing outcrossing to fix the problems they introduced in the first place.
All of the Collies - bearded, borders, roughs, smooths, they were not bred to fit a certain standard of looks, they were all bred to herd livestock and that was how you judged a good one.
By their temperament and work ability.
And they were far, far healthier for it.
Show me a single 'herding' breed at Crufts that can herd.
A crufts titled bearded collie as far as I am concerned is no collie.
It's a pretty pet.
It's an insult to term it a 'collie'.
Same for the vast majority of titled, Kennel Club Cocker/Springer/Clumber spaniels, English/Irish/Gordon/red and white setters, Labrador and golden retrievers, Beagles, Bassets and a myriad of other working dogs who couldn't do what they were actually bred for if their life depended on it.
How tragic that we actually have distinct work lines and show lines for so many breeds.
Pedigree breeds are in crisis, because of the Kennel Clubs obsession with looks above all else.
No thought to health nor temperament.
It's very telling that all the 'pure' breeds have a (usually long!) list of inherited diseases yet the Kennel Club insist on virtually no health tests whatsoever and where they do, it's a fraction of what the breed actually requires.
The vast majority of puppy farmed dogs are actually Kennel Club registered so not crossbreeds which are ineligible for registration.
And there have been very many cases of appalling abuse by Kennel Club breeders.
Indeed, one of the main puppy farmers who provides puppies to 'dogs4us', who is licensed for the one of the biggest puppy farms in the U.K, with hundreds of bitches was once famous for his Crufts titled dogs..
But you carry on feeling virtuous with your 'pure' Collies that aren't Collies with their sky high COI and health problems that will only get worse over time because of the Kennel clubs stance on outcross until they go the same way as Cavaliers and Dobermanns and will be unfixable without the intervention of those nasty cross breeders.