“I think Jews would disagree.”
Jews aren’t the final arbiter about whether communists or Nazis were more evil. Communists and Nazis were the ultimate Marxist competitors.
Read about the Stalinist Holodomor in the Ukraine.
https://en.wikipedia.org/wiki/Holodomor
You can ask Ukranians but they often rewrite history. Most refuse to accept the reality that Ukranians chose communism and Soviet subjugation in 1921 rather than joining Poland