Earlier quoted context omitted.
I don't think you can make a blanket statement about whether you can manage to retain breed traits without damning the dogs. If I had to slap down a guess on what is going on. The #1 issue is targeting cosmetic traits that are anatomically not functional. The #2 issue is breeders not prioritizing health over conforming to the breed standard. Pet grade purebreds may not look quite perfect to a discerning eye, but they…
Genetic clearances are much more common in the world of working breeds, since there is a market pressure to have dogs that can actually function in their job. Demand for working titles (search/rescue, agility, hunting championships, etc) also selects for more physically capable animals.
Where working dogs are not status symbols, but a means to an end I agree there is market pressure. Assistance dogs in particular.