How would Nigel take the Commissioner Oath with a straight face?
In part:
"...to be completely independent in carrying out my responsibilities, in the general interest of the Union; in the performance of my tasks, neither to seek nor to take instructions from any Government or from any other institution, body, office or entity..."
i.e. to disregard UK interests for the betterment of any EU interests.
//How would Nigel take the Commissioner Oath with a straight face?
i.e. to disregard UK interests for the betterment of any EU interests.//
He does it, and truly believes, that it is ultimately in the best interest of the EUSSR that it is stangled as swiftly as possible to put it out of misery.