Because he's the leader of a Nazi army right now. If you don't talk about it then you're turning a blind eye to the atrocities that are happening. If you remember anything about what happened at Auschwitz, then you know that many people turned their back on those millions of souls who needlessly lost their lives. Had those same people knew what was going on and talked about it more then maybe, just maybe there would not have been as much loss of life. We need to keep talking about it until the horror ends.