I feel like I understand communist theory pretty well at a basic level, and I believe in it, but I just don’t see what part of it requires belief in an objective world of matter. I don’t believe in matter and I’m still a communist. And it seems that in the 21st century most people believe in materialism but not communism. What part of “people should have access to the stuff they need to live” requires believing that such stuff is real? After all, there are nonmaterial industries and they still need communism. Workers in the music industry are producing something that nearly everyone can agree only exists in our heads. And they’re still exploited by capital, despite musical instruments being relatively cheap these days, because capital owns the system of distribution networks and access to consumers that is the means of profitability for music. Spotify isn’t material, it’s a computer program. It’s information. It’s a thoughtform. Yet it’s still a means of production that ought to be seized for the liberation of the musician worker. What does materialism have to do with any of this?
You mentioned David D. Hoffman, but I don’t think he would support what you’re saying here. He seemed to propose that we had an inaccurate view of reality, not that a reality did not exist, or that things would disappear when we died.
I think you read my comment the wrong way around. I said Donald Hoffman proposes the answer is “yes”, as in “yes, the last human would see the works of humanity”.
Hoffman’s theory of conscious realism is summarised on Wikipedia like this: