This was brought up in the other thread, but I think it does a good job of posing the question, who is responsible?
The breeders that follow standards for the cavalier breed for certain characteristics in order for them to show. But, when the breed standard is hurting the breed itself, who is responsible? Breeders for choosing to follow standard, or the breed clubs who set the standards? I know the cavalier is an extreme case of this, but LP's, LS, and the other problems that plague our favorite breed do have a genetic background.
I know reputable breeders breed for health, temperament, and appearance and they sincerely try to better the breed, but when faced with something as extreme as syringomyelia, which in my opinion is caused by people wanting a smaller cute head for the cavalier, why do the breeders not say "ENOUGH! We're killing this breed!." I think byb's and puppy mills that breed for the micro minnie teacups are a plague to our beloved breed, it's the yorkie's equivalent to a small skull.