This appears to be wild overhyping of a nice find.
Yeah, I think “nice find” covers it.
Here’s some lyrics to a song with about 80 letters with punctuation....
Once I was seven years old, my mama told me,
“Go make yourself some friends or you’ll be lonely.”
It certainly seems hard to resolve ”Scientists believe it will be full of words and concepts they’ve never encountered before.” with two lines of prose or poetry. New words, of course, but new concepts? The Etruscans weren’t from outer space, They fell in love, they went to war, they said “fuck” (or something similar) when they stubbed a toe.