And the knack for knowing what your audiences wantsThats a god damn lie.
Thats like saying a writer of movies can never start making bad movies. Inspiration is a major part in making music. Some people gain inspirstion from reading. Some gained inspiration from real life struggles and dealings. Some probably cant tell you where they pulled it from. But inspiration doesnt neccessarily come in an unlimited supply. Not to mention voices and deliveries change with age