It is never the dog. Unfortunately, it always comes down to the owner. If we do not train our dogs properly and let them persist in bad behaviors - or merely put them in situations where they cannot be successful - it is totally on us, not the dog. I always recommend that anyone with ANY breed of dog who feels that their only step is putting the dog down please, please, please contact a shelter or a rescue agency for your breed dog and let someone with experience save that dog! There are other alternatives - you just have to have patience and actually train a dog in the ways that you want it to behave for the dog to be successful. Again, I do not believe there are bad dogs - just bad dog or pet owners. We can learn to train any dog if we take the time.