No disputing they are more dangerous, but to say a dog is aggresive to other dogs because it has a little bull breeding in is pish
Why do people use bull in a mix in the first place? When you cross breed any dogs, you risk introducing traits you might not want into the resulting offspring, not just the ones you're after..
I think it's pretty obvious why people use bull blood in lurchers.
I know why people use bull in lurchers, but like I said you might get more traits of the breed in a resulting mix than you originally wanted, one of them maybe being a higher likelihood of