If you have a spare 4+ hours, highly recommend watching this interview (2 parts) with a Navy Seal who grew up under communist control of Poland.
https://www.youtube.com/watch?v=H8eQsQMfnLk
https://www.youtube.com/watch?v=D-xS89QCbRc
As you said, those who lived it are the harshest critics of it. One of my take aways from the interview was how the people were gas-lit into believing the grocery stores were empty, not because communism is a big fail, but because their greedy neighbors down the street succumbed to capitalism and bought everything up... eye roll
If you can stomach a clip from a NPR podcast, the reason that the "right wing" is so racist is that they are "othering" the bugs, so therefore anyone who eats bugs is automatically a victim of racism.
This looks like footage from the Workprint copy that leaked early. It only had about 80% of CGI completed, so that's why it looks like this.
With that being said, this movie is still an absolute waste of time, but the more you know.