UE4 Scaled down to run on PS4, why not Wii U?

[S.T.A.G.E.]

mii-gamer said:
the wii u versions will be significantly watered down. But who knows? Until we see the engine on the wii u we will not the true difference.

This is the saddest shit I've ever heard. That demo on the Wii U isn't fathomable without looking brutally terrible or being a seperate cinematic.