I totally understand what you're saying.
I imagine there would be a lot of lost dogs that way ... and if they cost that much I wouldn't want to risk that kind of investment either
But I also think (strictly from a conceptual standpoint) that a lot of dogs will get away with sloppy technique if they have armor on ... and consequently will get bred ... that really shouldn't be. I am sure, though, that you can "see" which dogs have the best moves out there, regardless of armor, but to me it seems like (while no one wants to watch either their dogs die or their money get wasted) that truly allowing "nature to take its course" would cull-out the mediocre animals, leaving only the very best individuals left, which (when bred together) would ultimately produce better dogs.
Jack