Quote Originally Posted by Adrian II
It is art commenting on itself!

That has become a genuine function of art in modern times, at least since the surrealists. This is a perfect example (bravo!) of an image that to the untrained eye looks like a fairly decent pipe advert, whereas if you followed developments in art in Magritte's time it was immediately obvious that this was a funny comment on faux realism.
I agree with you, but wouldn't that mean that the definition by Fischl doesn't apply in this case? (look at the bolded fragment)