(pure speculation)
* after the game 6 blowout the Suns have a heated meeting. Someone (likely Paul) strongly suggested adjustments but Monty strongly suggested they, essentially, shut up and follow his plan, which is to continue to play the Suns ball that got them there -- that they just need to play better, not different. So, when Paul is asked by the media for his opinions, he simply says it's not life or death and i have nothing more to say. When game 7 starts bad, the player's doubts are confirmed and the death spiral begins.