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Being a history nerd with a keen interest in that era, I was one of the people thinking "Hang on, Zhukov was in political exile at this point". But not caring much because it wasn't a documentary and I thought it was funny.
Did you even read the linked review? It didn't exactly call it historically accurate. I shared it for those genuinely interested, not to try to win an argument about how funny or not the film is.
Possibly of interest to some, assessment of the film by somebody who used to work in the USSR's propaganda ministry.