> I am genuinely asking what we lose by not knowing. How would we know what we're losing if we don't know? But even beyond practical uses for anthropological

> I am genuinely asking what we lose by not knowing. How would we know what we're losing if we don't know? But even beyond practical uses for anthropological information about our past, we as creatures just seem to inherently value exploration and desire for knowledge. That seems reason enough for people to feel "sad" about not knowing something.