When people talk about socialism and communism, what people think of is authoritarian marxism. Those brands are DEAD.
During Joseph Stalin's crash-industrialisation drive, workers lost their right to participate in the functioning of the enterprise, and their working conditions deteriorated. In 1940, for example, a decree was promulgated and became law stating that a worker could be arrested if he had three accumulated absences, late arrivals or changed jobs without the official authorisation. Shock work, which meant that workers had to work past regular hours.
In contract, anarchist Spain had four times the agricultural output and people who didn't want to join collectives could simply do their own thing and sell to or buy from collectives. FREEDOM!