While I can't disagree that it makes sense for Sylveon, I have reservations on a fairy type being made ever - nor the fanbase embracing it, even if you don't count the genwunners.
Though at least it isn't as silly-sounding as the "Love" type, which some people have apparently-seriously suggested. --- Creator of Jay's Journey (see quote!) "It's not ten years old! Therefore, it sucks!" - Nostalgia whores everywhere