There's also the mere fact that the Pokémon here are socially comparable to humans. They run businesses, they've built this city... The mere fact that they have archives of any sort speaks to their social and cultural evolution.

[After all, spoken language came before the written word, and there's plenty of evidence that they've passed that threshold.

Images of cave paintings flicker by with his thoughts, followed by humans telling stories around a fire and ancient hieroglyphs in some sort of tomb.

Mere concepts rather than tangible examples, of course.]

Egg groups aside, there's undoubtedly a wealth of culture and history tucked away in the archives. That, I think, is even more worthwhile.