stop comparing animals to humans, and no I'm not gonna watch the 1 hr youtube video. Dogs have been selectively bred for thousands of years for specific traits to perform certain tasks (herding, hunting, companionship etc..). Unlike cats, dog breeds are real. Weather you want to believe or not, pitbulls are fighting dogs, why else would they be the dog of choice for dogmen (professional dog fighters) when it was a legal "sport" and still the dog of choice for illegal dog fighting rings now? Joseph L Colby, a pioneer of the pitbull breed, wrote a comprehensive book on American Pit bull Terriers, mostly about dog fighting (when it was legal) (CW: extreme animal cruelty):
https://babel.hathitrust.org/cgi/pt?id=uc1.%24b28129&seq=1
Pitbulls are strong powerful dogs, it's a zero mistake dog, because they will cause severe injury or death if they snap.