I think that's a bit of hyperbole. Game consoles are decidedly a smaller market, but dying? Come on. The latest game consoles will always be much more powerful than the latest phones just as the latest PCs will always be more powerful than the latest consoles. The console market might shrink a bit due to casual gamers being able to use mobile devices but die?
http://www.slideshare.net/bcousins/when-the-consoles-die-wha...