You're confusing Communism and Socialism. Good thing I advocate for both. Whatever you think about Russia, China, or East Germany, it's undeniable the majority of people who actually lived under it want it back. It's always funny when anti-Communists use the "Why don't you ask people who REALLY lived under Communism" argument, but lose their shit when they see actual polling data of these people.
Read these: https://www.themoscowtimes.com/2017/12/25/majority-of-russians-regret-soviet-collapse-poll-says-a60039https://www.spiegel.de/international/germany/homesick-for-a-dictatorship-majority-of-eastern-germans-feel-life-better-under-communism-a-634122.html
"Today, 20 years after the fall of the Berlin Wall, 57 percent, or an absolute majority, of eastern Germans defend the former East Germany."