Bullet-performance is the key. A good cast-bullet that penetrates through the vital living area of the animal will kill that animal. A heart-shot animal using a cast-bullet will die. If a cast-bullet deflects or looses its nose it is not going to kill predictably. A Punch bullet or Cutting Edge Bullet will hold together and penetrate like a good hard-cast bullet has shown it can also do. And an A-frame through the heart or through the skull will kill also. So I echo the Bond film and state clearly, live and let die. LOL