I think there is a great difference, in that when the poet is reading you get the whole personality of the person, especially if he's a good reader. Whereas a person just sitting gets what he puts into it.
I began to fear that Mos Def was being treated as a product, not a person, so I've been going by Yasiin since '99. At first it was just for friends and family, but now I'm declaring it openly.
People are very open-minded about new things - as long as they're exactly like the old ones.