So, you must do what the event says always? You should never deviate from what the event says to do? You should never have free will to do what you want to do? You should never "play the game the way you want" only the way the game tells you to play?
Sid Meier has a famous quote that says, "A Game is a series of interesting choices." So, once we basically don't make choices and just do what the game tells us - does it cease to be a game? Or, more importantly, does it cease to be a good game?