No matter how much I studied and asked questions, it is unlikely that I could ever know as much as them. They know so much about which dogs are good producers and which are not, and have gained so much experience over the years, that I could not hope to match their success. I say leave the breeding to these experts. Most don't have the knowledge, experience, or even common sense to breed good dogs. Some don't have a clue as to what they're doing, and are unable to produce dogs which are free of health and temperament problems and disqualifying faults.
Breeding is just a crap-shoot, anyway.
Anything can happen. Knowledge and experience allow real breeders to consistently produce quality dogs. There are a few breeders who know what they're doing. They need puppy buyers. I'm perfectly happy being one of their buyers.