The dog and the mentally deranged owners.
Dogs have been known to attack unprovoked. Like a dog attacking a sleeping baby. That’s besides the point.
Dogs are dangerous. You have to train a dog not to be dangerous. You have to add various procedures to keep children safe from dogs. How is a dog not dangerous?
Take children out of it.
Dogs attack elderly on the streets.
They attack delivery workers.
Dogs are dangerous no matter the situation or the person.