Details of the silliness are here. Best part of the story is the photograph of an artist setting up an easel and full array of paints in the Louvre. The French win again.
UPDATE: The Assistant Director of Communications from the de Young contacted me this morning, and explained that one of the reasons the museum adopted the no-sketch policy for this special exhibition is the volume of people who want to see it. Seems to me that implicates even more interesting questions: What is the point of the exhibition, and how important is it to provide an opportunity for a deeper and more lengthy interaction with the works on display?