Greg Miller apparently heard that Phil Spencer's retirement "wasn't planned at all", and he has information to support it he won't read on air.
In other words, Phil was fired, but allowed to bow out more gracefully. And Sarah Bond either wasn't offered his role so she quit, or she massively disagreed with Phil getting fired and quit (the sarah bond stuff is my speculation).
Look I wish the new CEO of Xbox well, but this is insane if true. Phil Spencer worked for Microsoft 38 years and this is how they do him?