The Sovjets never were on Hitlers side. Hitler was very clear from the beginning what he thinks of the communists, that he mingled into a “jewish bolshevik” world conspiracy. The Hitler Stalin pact was to buy the SU time to prepare for an attack from the Nazis.

Also 80 years is not a long times in historical terms, when the measure is “ever”. Incidently a lot of the turning two blind eyes unconditional support for Israel now is justified with the Holocaust that was in exactly the same period of time.