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closed as not constructive by The Cat, Robert Harvey, Earlz, George Stocker, Andreas Bonini Jun 3 '10 at 1:36
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This is a horribly mean idea that hurts worse than having something closed as being "actively harmful to the site". I mean, even in the example question you give, it is a legitimate thing to ask on SO and the question asker gives understandable reason to have such an inquiry.
If you think something is a bad idea, you can recommend against it or just ignore it altogether. But the question doesn't deserve to be closed if it is a legitimate question on the site.
If you think this should never be allowed, you might want to reconsider.
Google did background music recently, and did it appropriately.