Not sure this has anything to do with skeptical thinking, but the phenomenon of the emperor’s new clothes is pretty rife in the art world. Here’s someone who thinks the bloke is in fact parading in the nude:
Today’s New Old Masters Outshine the Avante-Garde
I’m actually not all that fond of much of today’s “classical realism” either, but it beats the hell out of the avant garde, if you ask me…