[dragonwriter]

> It's subjective, but that doesn't make it nonexistent.

Yes, it does. Subjective assessments have no objective reality.

[JumpCrisscross]

> Subjective assessments have no objective reality

Subjective assessments drive political preferences and policy, to say nothing of human relations and experiences.

[dragonwriter]

Hallicinations of the expressed wishes of divine figures do that, too.

Still doesn't make those figures, or their wishes, real. Beliefs about fair prices exist, fair prices themselves do not.