When liberals repeat the lie of "the Red Army were a bunch of barbaric savages who raped their way across Eastern Europe" they implicitly justify the Nazi policy of conscripting children and disabled people into hopeless human wave attacks
That's it, that's the post
I recall reading it was post-war coping from the Nazi generals the US recruited to understand soviet doctrine. They couldn't conceive of having lost due to superior tactics etc because the slavic untermenschen is supposed to be incapable of thought, so it must have been sheer weight of numbers.