Milton Friedman--whose effect on monetary policy, especially here at the Federal Reserve Bank of St. Louis, is legendary--is one with such sharply refined skills. I might be able to name a few more, but I doubt that I would get much beyond counting the fingers on one hand.
Human nature being what it is, the vast majority of us are disinclined to offer half-thought-through, but potentially useful, policy notions only to have them embarrassingly dissected in front of a national television audience. When undertaken in such a medium, deliberations tend toward the less provocative and less useful.