Joffrey is a little douchecanoe, but his death doesn’t bring Ned or Cat or Robb back. His death puts Sansa in the hands of a sexual predator. His death puts Tyrion in jail for a crime he did not commit. His death emotionally traumatizes Cersei.
"He has Jaime’s eyes. Only he had never seen Jaime look so scared. The boy’s only thirteen."