Happily, nothing in that article really contradicted the Wikipedia page (or at least my reading of it). I took “guided” to be a kind of romanticized “swam along

Happily, nothing in that article really contradicted the Wikipedia page (or at least my reading of it). I took “guided” to be a kind of romanticized “swam alongside,” not that the ships were using the dolphin as literal navigational aid. The article actually confirms the behavior.