alt Hacker NewsDepends on the point being made about “historical precedent” and the lessons to be drawn from such.
Also, helps to clarify what exactly the commenter was referring to and possibly help distinguish the centuries-spanning decline of the Library of Alexandria from the violent fate of the Serapeum.
My take was generally: the loss of Alexandria's collection represents a calamitous loss to our collective culture.
(But my knowledge of Alexandria extends only to episodes of "COSMOS" and "Connections").