Models ARE in it. That's why they're not going to be added, because it'd be redundant.
Rather, what Mystic's trying to say is that it's not going to be a major part of the official game. So in other words, the sprites are staying. However, third party add-ons can make use of models as applicable.
Of course, Mystic's statement also implies that whatever flaws with models that exist as of now are likely not to be fixed. It happens a lot with the unnecessary features that everyone wants, but few truly need.