The Library, or part of its collection, was accidentally burned by Julius Caesar during his civil war in 48 BC, but it is unclear how much was actually destroyed and it seems to have either survived or been rebuilt shortly thereafter; the geographer Strabo mentions having visited the Mouseion in around 20 BC and the...
Seems your thoughts on it may be right on target. I was unaware of this angle on it. Thanks for mentioning it.
I don’t know how everything happened. But I know that men concerned with Knowledge and aware of the import of findings and discoveries, find ways to preserve and protect those.
(And I don’t think we need ‘Outer Space Visitor’ stories, to explain human accomplishment on Earth.)