Then again, "because they dont do it on PC" (which is even kind of arguable, as usually they upres textures and the like) does not mean they wouldn't on "Wuu". Each has different revenue and development considerations.
If Rayman Legends was simultaneously releasing for PS4, XB3, and current gen wouldn't you think they'd make the next gen version look better?
All that said I agree somewhat as well, this clearly is far from the best game to be judging Wii U hardware on. But I'm here to grasp at straws considering we have months of Wii U speculation, and this is the most we've had to speculate on in weeks.
But we can also say the machine looks at least PS360 level for this type of game, from this clip, too. Which is also something.
Also, Nintendo fans are yelling down anybody who brings this up, but I do wonder if the corded controllers in the trailer mean anything, as far as Nintendo possibly switching from wireless to wired tech, or maybe at least partly so. It's entirely possible, even likely, they dont, but I'm not so quick to dismiss them either. And yes I'm familiar with all the arguments against.