This is ignoring that people also don't like being wrong and there are surely people who were expecting the WiiU to be more powerful who are now saying they didn't expect it.
I should point out that I don't think that R&C is a bad looking game, just that in practice the game doesn't look as good as those bullshots might lead someone to believe.
This looks good
But it's definitely not this
And if you scaled up the image to 1080p like many would be playing it, it's more of base from those original images.