Their every living moment is agony. Imagine your nose is always plugged and your mouth hurts when it's dry. And you never get a good night's sleep.
I've no doubt their temperament is amazing, but you shouldn't pay money to get animals with breathing issues. We shouldn't reward breeders for torturing animals.
This includes Scottish Folds(shitty cartilage), Munchkins(shitty bones), and anything with a squashed face like this
... can't be on pain meds. Need the pain to bring anger and focus. It makes him stronger, but apart from that it makes him more subservient to Palps. He ain't got the patience to handle large amounts of people effectively.