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
The contention is that the red army did it roughly as much as the allies but were a far far larger force. The entire point of the propaganda is to paint the red army as monsters and the liberation of Europe as a negative thing.