Disney has managed to slip character-themed decor into the Moderates and Deluxes every so often, even before this. The bed spreads at the Grand Floridian have (or maybe had, at this point), a Wind in the Willows motif - Mr. Toad, etc. The Disneyland Hotel had Tink borders around the ceiling, among other things (I'm not sure what they'll have after the current rehab).
There's always a balancing act with this kind of thing. Characters tend to add some kid-friendliness and whimsy, while avoiding all Disney references tends to satisfy the "grownup" in us. The way they're used in most hotel decor (worked into the bedspreads, drapes, carpeting, and in narrow strips around the ceiling) it works more like "seasoning" than "theming." Call it, "Sprinkling pixie dust." Now, when you have great big statues of Buzz and Woody out in the courtyard, and the sides of the building are covered in iconography, that's another matter entirely.
