It seems to me that he has a very important reason for not confessing that the ‘Jimmy Savile’ comment in the HoC was, in fact, a lie - which is that he wants to keep it as ‘live’ ammunition, ready to be used when the character-assassination attack begins in the lead-up to the next GE. Lies about Jeremy Corbyn served him very well in 2019, why wouldn’t he embark on the same kind of dirty campaign against whoever is Labour leader at the next GE?

Leopards don’t change their spots.