~They treated prisoners and civilians far worse, in the main, than either the Axis or Allied powers ever did. If you want proof, read any detailed history of that period.~
That might be a reason why more than third of Soviet military casualties are POWs industrially killed in a Nazi death camps. And who killed these 22 million Soviet civilians? Germans has killed about 25% of population of Belarus and decimated Ukraine, including almost every Jew they could find.
Soviets has never come close. If they did, there wouldn’t be any Germans left at all. Yes, Soviets were brutal to SS and Einsatzgruppen personnel but not to the rest of POWs. There are numerous stories of Soviets sharing their rations with the captured enemies. As for German warcrimes they are well documented.