Breed may not have been a factor because “The authors of the new JAVMA paper reported that the breed(s) of the dog or dogs could not be reliably identified in more than 80% of cases”.
But breed is a factor in DBRF. Big breeds have a greater ability to fatally wound a human than little toy breeds.
Trying to pretend that all breeds are equally dangerous is analogous to the TSA security theater that all passengers are potential terrorists.
I don't see that as the point being made here. It's not saying that all breeds are equally dangerous. i.e. a bite from a large dog is the same as a bite from a small dog. It's not even suggesting that.
It is addressing the *likelihood* of attacks, etc based on consideration of multiple variables including breed.
Not the same things.