That kind of ad hominem is the sign of a man who's run out of reasonable argument...or who never had one to begin with. The funny thing about it is there are actually some good arguments for the use of the metronome. You just aren't hitting on any of them.
Oh, I'm just teasing you, Jeffy. Honestly, you've taken such a radical stance with many of your comments I didn't think you were interested in any sort of reasonable debate.