The idea of redeeming Char in the eyes of the viewer is so funny. Sure, he was a high-ranking space-Nazi officer, but he didn't actually believe in the space-Nazi cause. He was just a revanchist monarchist dedicated to reestablishing the House of Space-Hohenzollern! Isn't that so much more relatable? We don't know for sure that he was actively involved in war atrocities, except for that one child soldier he groomed, and he's really sad she died so that's okay.