The silence may indicate that everyone's pretty well scoped out on this endlessly debatable and irresolvable issue, in a variety of Cafe threads, some listed here:
The Turner Prize
Realism in the Art World Today
Picasso & Modern Art
Lucian Freud Portrait of Queen Elizabeth
Justifiable Aversion to Art Shows
Dave Barry: Modern Art Stinks
Tumbling Woman
"Just a thought," as they say.