Owners of a bully kutta/ pakistini mastiff?

Okay, so I know very little about this breed, and I wanted to learn more about it, but every single site I go to it says all these horrible things about the dog. One site said something like "if the bully kutta is not feed, he will prey on his owner"...I just want to know about this dog, and whether or not it is as bloodthirsty as a monster as these sites say, because honestly I can't find ANYTHING on this dog besides negative stuff, so maybe anybody who has owned this dog breed, could you set the info straight please?