Why won't this man go away?
Probably not.When the song the parody artist comes on the radio and you have a difficult time telling whether it's the original or the parodist? That's talent.
When the parodist writes and records an original song that style-wise nails some of the most intricate, difficult music to play, much less write, that's talent. That said you probably don't like the artist he's paying homage to anyway.