Do Game Designers Burn Out Like Rock Stars ?

Reader Ant wrote in to mention a Guardian Unlimited Gamesblog article which asks: Do Game Designers burn out like rock stars? From the article: "The games industry is getting on a bit now, and so are many of its key 'superstars'. You may not think it, given the proliferation of sequels and movie tie-ins that clog up the charts like that sickly white glue in the veins of heavy smokers, but this is a creative business. No matter how many people are involved in the process, there must be a spark of inspiration somewhere at its core. So what happens when the spark falters, or goes out?"