This is exactly right. It’s a brand new field, and many of its applications are going to be ultra-foreign. It’s going to require a lot of metaphors and intuitive design patterns to ease the transition. I guess
There is also another couple of aspects in which UX may apply, albeit not specifically the type of UX some of us are accustomed to. I may be stretching this a bit thin, but there are ways we might think about these in terms of something like Service Design, say.
Look at Relevant, the app I shared above. The concept itself could have been based on a critique of some of Facebook’s UX premises.
Conceptualizing and implementing the alternative, at multiple levels of granularity, is also an exercise in UX.
To be fair, I think these areas are particularly cross-disciplined. I started taking courses on Game Theory to help understand the tools to create and test these types of models - models that might reflect rational decision theory. New stuff for me.