Language at the End of the World (2017)
cabinetmagazine.org
cabinetmagazine.org
I don't think there are any great secrets in those texts, just humanity.
The fact that we can not read these texts in fact tells us more than if we could, it tells us it is possible to annihilate other cultures totally. It tells us about the evil of colonialism.
Some day a future civilization is going to have to attempt to decipher our language in the same way.