Just what I think happened based on the evidence. It's pretty much spelled out for us by beat reporters who can't come out and say it.
I'd argue that the locker room is filled with an incredible amount of mistrust and a losing mentality. If the coaching staff tells you one thing and publicly endorses you, then the next day you are benched and your career is over with the team, what does that say to the other players in the locker rooms?