We were given ZERO information about it in Wano. Us knowing the name of the island being laugh tale isn’t information. In Ennius we learned small info about the void century. In sabody we learned about small info about the one piece through Rayleigh.
Ah yeah, let's just ignore:
- That Joyboy is the one who left One Piece where it is, it was not Roger's treasure
- Was responsible for the Ancient Weapons
- Left an extraordinary tale that causes the entire crew to laugh in a very cryptic way.
- Learned that Roger was too early to do anything
- Had Oden to decipher the Poneglyphs and leave a message on skypiea.
Let alone the fact that Post timeskip as a whole:
- Introduced the concept of Joyboy and his return to the mermaid princess.
- Learning hints of what the "Promised Time", which Zou and Wano have elaborated on
- Learning what Poseidon actually is.
- Sunlight tree Eve and its very likely location in Mariejois
- Learning that the final island (Lodestar) is not Laugh Tale.
- Rocks, God Valley, etc
- Learning that the Kozuki clan made the Poneglyphs, not the Ancient Kingdom.
- World Government's National Treasure
- A singular leader of the world government
- King's species and their relevance to the WG In being removed
- Not to mention the myriad of lore related events surrounding Vegapunk, the Revolutionaries, Cipher Pol, the Marines/WG and more.
You have huge, blind nostalgia goggles for Pre-timeskip. Say what you will about strawhat interactions and focus, but it does NOT deliver information better than post.