Because US political brainworms always do. Qanon is a great recent example.

This phenomenon of pitbull demonizing is literally only like 30 years old.

They were also never bred for “aggression to humans” as someone incorrectly stated, they were first and foremost bred as working dogs and even in fighting circles would be immediately put down if they expressed aggression toward humans. Dogs have to be severely abused in 99% of cases to be made to be aggressive or at least be deprived of socialization.

I beg everyone here to actually read science on this stuff that I have included in my effort post before falling back to reactionary vibes based opinions built on reactionary racist propaganda.