My understanding is not perfect, especially when he starts to babble, but from halfway through till the end he really seems to realize some core problems that go against all he “designed” up to this point. Permeable barriers and all.

Tom-Chilton-IGN-Video-Interview

Enjoy the backpedaling, smart ass.

P.S.
It looks from the video they are redoing water effects with this expansion. RotLK was shadows, this one water. We are in the future. Tech and design. So advanced. Think of all the progress in the last few years. Unbelievable.