It's the 'trickle down' part that worries me.
Some puppy mills are obviously cruel and unsanitary. Then there are the puppy factory farms usually run by well heeled business men who are able to meet sanitary standards but really aren't breeding for genetic health or quality of life of the poor females that pump out litter after litter.
This sort of thing often leads to regulatory capture where only the big boys can meet the bar but still flaunt the principle behind 'bans' like this.
Smitty (rescue) Ilda WGSL 4/28/10 Autumn Australian Shepherd 10/9/11 Stihl Bonafide von Nadar WGSL 3/23/15