Yeah there is always someone to defend them!

For good reason...

Pit Bulls will become what they're raised to become. I've been around some (in my family) that won't even bark. Incredibly loyal dogs who won't even go so far as to show teeth.

My finance is a vet tech and started out working in a kennel and ive been around a lot of dogs and have always had some myself. The development of a puppy pitbull comes down entirely to their owner and the persona that gets encouraged as the dog is learning right from wrong.

The problem is that the dogs have reputations of being potentially dangerous so people who related to that / need protection / are crazy themselves are turned on to the prospect of a minature killer "working" for them. So these dogs get negative behavior encouraged, end up hurting / killing someone/thing and the whole breed gets labeled as violent when they're just very capable of being violent. Like most anything else with enough influence I guess.