How do you know? Besides puppy mills by definition are abusive. I think you mean “breeders”. Well sure let’s just breed more dogs since the number given for killing unwanted companion animals in this country is 4 million per year.
No, I imagine if a puppy mill adheres to the USDA guidelines they would not be considered ‘abusive’. That’s like saying all dairy farmers are abusive, or all chicken farmers are abusive.
And as for that website you posted, it’s folly. As long as people are willing to pay for puppies, they will be a commodity.
That does not give animal rights groups the moral authority to tell the rest of us what we can and can’t do with our dogs.