Why would the games industry want to be more like the movie industry?

A few weeks ago David Cage, head of game developer Quantic Dream and creative lead on fascinating-if-flawed games Fahrenheit (aka Indigo Prophecy) and Heavy Rain, gave a talk at the DICE summit in Vegas in which he lamented the games industry’s “Peter Pan syndrome” and unwillingness to mature as an art form/entertainment medium.

Games at the movies

A recent exchange with Total Film and Channel 4 Film via Twitter once again raised the bitter topic of movie adaptations of computer games. Why have they been, to date, so uniformly terrible?