h a l f b a k e r y
"My only concern is that it wouldn't work, which I see as a problem."
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If manufacturers simply must put LED's on their products, without bothering with such trivia as brightness knobs or autodimming, the least they could do is facet the lens, such that a sparkly pattern is produced on the opposite wall.
A bit more ingenuity and they could be made into tiny lava-lamps.