This may be true... except that many monsters have invisibility powers, and hey, there's the gnome arcanist, with "illusion" based powers.(Almost) all powers have to be put together from these building blocks, Lego style. The short-range teleport is such a basic building block. "Illusion", or "Glamour" isn't - if you make an illusion power it has to be built from other blocks. See e.g. the illusionist spells that were published in Dragon. Instead the fact that it is an illusion is put into the cursive flavour text - but it's not part of the game mechanics.
Besides. THere are other things. The Feyborn Template has the "Unnatural Beauty" thing that makes people attack someone else or not attack. There are mind effecting powers in the Fey stuff, they're just few and far between. They are there. Just underused.
I understand that. It just doesn't feel fey to me. It still feels like they just picked something at random like "Teleporting faeries! That's the theme!"Look at it this way...
I recognize the theme WotC went for, as it has been spelled out here. I just don't think it fits. It's more tacked-on than appropriate.