You are answering my question - you posit that communism failed because people like to own property (and form social hierarchies) - and UBI doesn’t prevent those.

I’m not sure this is the case. Especially since people did form social hierarchies and did own propety in communist/socialist regimes of the Eastern block.

One might argue that UBI is incompatible with human nature, because most humans require a sense of worth, which paid work provides (to most). Take away the motivation, will the self-worthiness remain? (especially when thinking about _most_ people, not the struggling artists who wished they could pursue art without the burden of bills).

I’m not sure about this at all. I just think drawing the parallels and discussing communism failure modes is interesting for the discussion of UBI.