Yes pits are great hog dogs and you can bet the people that own them don't let them run loose.
They are penned, exercised and used when needed. They sure don't let their great hog dogs run loose.
I know they make great hog dogs, probably one of the best breeds for it.
My point was more along the lines of what Unkotare mentioned about the capabilities for injuries/death.
It doesn't matter that there are more practical choices in automobiles than Corvettes, or that people are more likely to get killed speeding in a Corvette over a dump truck, That's not a reason to ban Corvettes.
Pit bulls do damage when they aren't properly handled, because when they aren't properly handled, they are capable of really messing something up.