The players have to believe in the coach and the game plan. If they don't all is lost no matter the talent. They must have defined roles that they are able to achieve. They must believe in each other. I do not see a collective vision fostered by the coach. I see a roster that is fragmenting at an accelerated rate.
"On Sunday, Stoudemire questioned his teammate's heart following a loss to the Rockets that featured fans booing the club and heading for the exits midway through the fourth quarter."
Ouch.
Uhhmm Stat how many rebounds did you get when Love was pulling down 31? 
How many times have I witnessed you dribble into a double team?
"Amar'e Stoudemire admitting that the players haven't bought into D'Antoni's system"
"He questioned why the Knicks aren't playing with a sense of urgency before concluding "we have to show more heart." D'Antoni disagreed with Stoudemire's assessment and feels that the team is trying."
Bill Simmons on Tyreke Evans
"The prototypical 0-guard: Someone who handles the ball all the time, looks for his own shot, gets to the rim at will and operates best if his teammates spread the floor to watch him."