I wonder if the Nazis killed anyone in Soviet territory or did anything particularly heinous that would disgust anyone.
(I kind of wonder if Quora should be disallowed cause it's just easy pickings)
https://www.quora.com/Why-did-Winston-Churchill-oppose-killing-SS-officers-after-the-war-Did-Stalin-want-them-dead-for-revenge-or-to-stop-a-future-Nazi-Germany
If the SS oppose you, you're probably doing something right