. This can lead to brain fluids getting stuck in the head, which increases pressure on the brain, leading to infathomable headaches, hallucinations, motor deficits, etc, pp.

Oh man I can never enjoy their derpy look again, knowing it's because their brain doesn't have room.

Breeding some dog breeds should really be prohibited.

Strong agree. Although there are also breeders doing "healthy" versions of pugs, German sheperds (their hips are awful for them, but the back "sliding down" to low hips was considered an essential characteristic for the race), French bulldogs, etc.

For pugs they're calling it "retro pug" and essentially theyre trying to get to what the breeds was before fancy European dog breeders started valuing aesthetics more than say, the dog being able to breathe.