I think it'd be an interesting philosophical exercise to posit that we sell Facebook data traces about ourselves in return for easy access to data traces about others. What would that really mean, and what moral or economic consequences can be concluded from that?
I personally have no idea.
Guaranteed Minimum Income could be seen as a way to ensuring everyone is able to express their purchasing desires with less distortion from necessity, and that you're paying them for that "social service".
Idk.