Allow me to make an extreme comparison. Along with their murderous, barbaric policies and practices, the Nazis engaged in serious medical research, and some Nazi doctors, like Prof. Dr. Julius Hallervorden (1882-1965), a famous neurologist who became head of the Neuropathology Department of the Kaiser Wilhelm Institute for Brain Research in 1938, continued to advance their medical research after the Holocaust. Yet no person in his or her right mind would say, “I hate the fact that these Nazi doctors were involved in torturing and slaughtering so many people, but they helped a lot of people too, so I’m going...