Crete is of course a key landing-point for birds migrating between Europe and Africa, though how high up they landed during ancient times is a question. In any case, Chantraine's view can be considered pure speculation because, among other things, it assumes that the name of Mt. Dikte is older than that of Diktynna. The latter may very well be preserved in people's beliefs.
Philologists market such a definition largely because their jobs depend on it.
The relative prominence given by philologists to names of different genders is a subject that still awaits investigation as far as I know.