And 'fey' just is a classification, meaning they are closely linked with the Dreaming. You can play up the Alice in Wonderland-ness of it as much or as little as you like.
Oh no worries, This is all fascinating. I love all the ins and outs of the Zeitgeist World. I would love to read a novel series set in this universe. Maybe ENWorld should license it out. hint hint(Apologies, Crispy, if we have derailed your thread.)