ceduke
Female Wiccan Heretic!!
There is wiggle room for any rule, you're being overly picky. Everyone can see this. I was born at night, but not last night. And line breeding for temperament is really pointless. There is no way to line breed behavior. It is not possible. There is no genetic anything that will be reproducible. It's like a paradox in most snakes.
That is a complete load. MANY animals are line-bred for temperament, with tremendous success. Genetics play a huge role in temperament.