To be fair, if Ash is one of the Klingon pariahs, Mudd selling the ship to an enemy group of Klingon's wouldn't be part of "the plan."
This might make sense if you think of the Captain's chair as a bluetooth device. It has all these buttons and controls, but the captain's voice is the the only part with any authority. So, you reprogram what all the buttons on the chair do and the way commands go back and forth, the "chair" is non-critical but if you believe the chair is working correctly, you can get messed up.
Maybe all history of the Bee Gees i