My wife was researching 'pit bulls' on the internet.   We know that everything on the internet is not entirely accurate, and some not very accurate ...but it can be interesting, and believe it or not, often accurate at times.  She found a description of how the dogs have had a controversial history, and how the dog's breed was often redefined to dismiss the validity of protests against the breed and to give rationale to protect the dog's image.  The article said that owners will deny the possibility of anything you may say against their dog ...and will even deny that their dog is a pit bull; stating that their dog is so docile and friendly that it could only possibly lick you to death.