I think judging this resort based on a single rendering of the entrance drive is short sighted. No, it won't be themed like VWL or AKL but those resorts already exist. If Disney had said, we dont need AKL because we already have a nature themed resort in VWL that would be a sad thing. There are many ways to do something as broad as "nature themed."
It looks like this is going to be prairie school or style. Here are a couple examples of that architecture blending with nature.
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I wouldn't assume that the company who brought you so many well themed resorts you love is going to deliver a Hilton and call it nature themed.
I'm optimistic that we might get something totally unexpected. We will have to wait and see.