It's simply speculation and trying to read tea leaves, which almost inevitably reveals the analyst's frame of mind, and little other insight.
This is the stock and trade of lib columnists who routinely claim to have intimate knowledge of the super-duper-secret Bush-Rove machinations.
Rove needs to get back in there and clean house quick, IMO.
They know the ins and outs of the White House like the back of their hands.
They know it because they have lived it!
The Bushies can continue to ignore their sage advice, and enjoy the plumetting public opinion that will surely accompany their obstinacy.