Well, even Homer is read in English (or other modern language) by all but a tiny handful of classicists. And Proselint isn’t a “grammar checker” (we’ve had those for decades, although they don’t work very well), but a checker (in theory) of the sort of thing that would survive translation – bad metaphors, trite phrases, and so on. Maybe “wine-dark sea” would be considered trite, maybe not.
