[abecedarius]

The library at Alexandria was where the early scholarship on Homer was done.

> The Alexandrine grammarians undertook the critical revision of the works of classical Greek literature,[3] particularly those of Homer, and their studies were profoundly influential,[4] marking the beginning of the Western grammatical tradition.[5] https://en.wikipedia.org/wiki/Alexandrine_grammarians

(Not arguing with your point about usefulness in general; just twitching when it came to the Iliad.)