That view is incredibly short sighted. People get better at being good people and killing them instantly destroys and chance that they can become better people.

That view is incredibly short sighted. People get better at being good people and killing them instantly destroys and chance that they can become better people. Killing them also doesn't allow for mistakes or for learning. Also what about the people dependent on the person who is abusing for survival. The abused should never be exposed to abuse but if their abuser provides for them and is killed then they have to go through another hellish situation by being homeless. I don't know what the solution is and what we have in place is barely better than killing them but it does sometimes allow for the growth of individuals.