What do you think about dogs that attack their owners and have a habit of biting EVERYONE?

Question: What do you think about dogs that attack their owners and have a habit of biting EVERYONE?
- Keywords:
  animal,
  behaviour,
  dog,
  pet
Asked by anon-192243 to Kelly on 14 Nov 2018.
- Kelly Rushton answered on 14 Nov 2018:
  
  I dont think that type of dog really exists – if it is incredibly vicious it might have a neurological problem and/or might have been very badly abused. I feel very sorry for an animal in that situation.

Question: What do you think about dogs that attack their owners and have a habit of biting EVERYONE?