My reaction: So you bring up an article from september 2011 to try make yourself feel better about what was said last week form an actual 3rd party dev. Which was this:
So far the hardware's been on par with what we have with the current generations. Based on what I understand, the resolution and textures and polycounts and all that stuff, we're not going to being doing anything to up-rez the game, but we'll take advantage of the controller for sure.'
The rest of the article is here:
http://www.metro.co.uk/tech/games/894222-wii-u-on-par-with-xbox-360-ps3-says-darksiders-ii-dev