The Cult of Personality and Its Consequences
en.wikipedia.org
en.wikipedia.org
I guess these indeed are the consequences of developing a cult of personality over decades, that some people just are unable to deal with hearing criticism of the dear leader.
Also the cognitive dissonance at hearing a member of the politburo openly saying stuff that would usually have sent them and their family to the gulag.
Unrelated, but with AI, one could make the actors look exactly like the historical figures. I don't think it's been done yet, would be interesting to see I it would work.
He looked nothing at all like Isaacs, I grant you that.
Officially, communists often engage in self-critique (whether this is heartfelt or not is another matter). So they do criticize their own ideology and practices.
A running joke among lefties is that the worst enemy of a communist is another communist with a slightly different ideology.
Also see: Monty Python's Life of Brian and their hilarious "The People's Front of Judea" skit (not to be confused with Judea People's Front -- splitters!).