Fully automated luxury space fascism doesn't really need buyers. A risk of high automation/post-scarcity is that abundance exists but remains under the control of people who are not interested in justice or equality or freedom. Lots of people feel that describes the leadership of most AI tech companies.

If they don't need your labor, and they don't need you as a customer, and they don't care about you as a person... where does that leave you?

[to be clear, I think post-scarcity, even in knowledge work, is a lot further off than most ai-doomsayers or ai-worshipers who take statements from people like Altman and Musk at face value]