Why hasn't David Blaine been tasered?

TALES TO ASTONISH!: Hooked: "I think Mr. Blaine needs to reach into thin air and pull out some charisma. The awkward silences following his tricks are not caused by wonder or mystery, they're caused by the fact that he just walked up to a complete stranger, did something weird, and then didn't say anything. Frankly, I'm surprised he hasn't been tasered."

A very good question.