Obviously a little snappy dog would be more dangerous if it were bigger/stronger. I'm not sure I'm getting your point there. The whole package that is a pitbull/staffie includes all the physical characteristics you listed, which optimize it for bloodsport, plus the gameness that is still intentionally bred into them that inclines them to snap with little or no warning, makes them seemingly immune to pain when they start attacking something, and which overrides their sense of self-preservation. All that combines into an extremely dangerous animal when it's genetics kick in and it acts on its bloodsport instincts and it makes them inherently far more dangerous than the toothy dachshund.
I know they were bred primarily for animal aggression. And they show it by leading the charge when it comes to the mauling/death of other pets. And that still doesn't explain at all why they also top the human injury/death chart every single year.
Like I said, they're perfect for dog fighting, so dog fighters choose them. Dog fighters train them to kill other dogs. They also often train them to be aggressive to anyone but the owner. That's why they top the charts. Same reason semi-auto pistols are the most likely guns to be used in a crime. They're perfect for the task.
As for breeding aggressive behavior, pitbulls were bred to be aggressive toward small game, and for baiting dangerous animals like bears and bulls, just like the English and American bulldogs. Similarly the Rhodesian Ridgeback was bred to hunt lions and guard diamond mines. You don't want to run into a Ridgeback that's been trained to be aggressive toward people.
Overall point is, make pitbulls extinct, and niggers will start fighting some other breed, and it will become the new deadliest dog. And on and on.
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