[ensan]

"There could be plenty of reasons why pitbulls feature highly in the dog attack stats (severity making attacks more noteworthy, type of owner increasing likelihood"

Well, the severity of their attacks is essentially a results of their genetics. As for the type of owner, it the same logic used against gun control, saying that they pose no danger if the owner is responsible.

Whatever the combination of factors, the end result on a large scale point to pitbulls as the most dangerous breed of dog to humans and banning them should be a no-brainer.