Breeding - ACA and Puppy Mills

I did a little research in the last week or so about an organization called American Canine Association (ACA). Why did I do this research? Well, I had contacted a breeder and asked if their dogs are registered. When I received their response, it said that their dogs were all registered with ACA, I decided to do a google search and see what I could come up with.

ACA is a dog registry, yes. After