Two minutes later the right arm was pointing normally and the reaction to the left appeared. The patient made no complaint at all about the experiment.
War may sometimes be a necessary evil. But no matter how necessary, it is always an evil, never a good. We will not learn how to live together in peace by killing each other's children.
So be it. God created profoundly fallible creatures on this earth, and human history is mostly the story of error and accident.