Serious: Anthropological Implications Of Alleged UFO Level Technology

In several pop-anthropology books such as Jared Diamonds "Guns, Germs and Steel" and Yuval Noah Harrari's "Sapiens", the author's write about the implications of a hunter gatherer type civilization on social hierarchies. Namely, when folks aren't tied to one specific spot, and don't have too many physical possessions to care about, and can take with them all the tools and knowledge they need to survive and thrive, what does that do to social hierarchies? The answer seems to be that it flatten...