I was the only one who was moving further away, and that knowledge didn't improve my outlook on things in general.

A mistake could, after all, have been fairly simply corrected when knowledge about these societies improved.

"In what manner does this knowledge improve our situation?"

What evidence can you find which supports the idea that historical knowledge has improved with time?

Medical knowledge has greatly improved the survival rate since my grandmother's time.

When the show started, the hosts knew little about poker, however, their knowledge improved as the show went on.

As knowledge and technology improved, however, the work moved on to more complex genetic questions.

As our knowledge of the true visual system improves, the model is updated.

Why not use that knowledge to improve ourselves?