Players have lost all motivation due to the lack of leadership. They want a change, and who is more likely to go?
All of them, or just the senior management team? Not the players.
By dropping Captain Jack, he tried to send a message to the players that he is the one in authority and push back, but his players seemingly have all congregated to the opposite side.
Will Still's ship is holed, his ballast tanks known as his brothers are missing, and it is slowly sinking.