Depicting Equestria as 'perfect'?
As in (by a certain author's point of view) as in Equestria as a place of no war, everypony is nice, no bitterness, no racism and no environmental disasters.
I find such a world so unrealistic... it would only exist if free will did not exist in that world. I don't know about you, but that sounds creepy.
Also, let me show my thoughts on this in the words of Leela from Futurama.