Post-scarcity is the society Socialists think they want and I feel the best treatment of it's logical end is Iain M. Banks Culture novels. Although some more materialistic, progressive fans get a bit mad when you highlight the discussion between the composer and the Mind in Look to Windward. Most people, in a post-scarcity society where machines do just about everything, fall into nihilistic hedonism and eventually off themselves one way or the other. Sure, you're free to do anything, but I think as we've seen here in America, if you take care of people basic needs that it tracks. Most people don't become artists or composers or strive for high society and culture, they sink to their basic instincts. In other words, gay fully automated luxury space communism works great for 130+ IQ Anglos, but so does everything else, other people, especially sub-100 IQ people, fall apart.
Maybe that's why every serious discussion of IQ with progtards ends up with them bringing up killing people below a certain IQ point.