I always enjoy listening to his take on the market. In his mind, we're reaching the limits of what humans can really appreciate with regards to performance, latency, and the overall quality of graphics. There are things still to be done, but in his mind it's all about turning his work (and i hope by extension he means the industry's work) toward helping designers produce content faster and pump more creativity into games. When the father of the 3d graphics engine is saying stuff like that, I really hope developers and publishers are listening.