The blame game was the main event all along. And I'd say it's absolutely necessary to have continuity remain own up to their failure. After all it's not an overstatement that the UK is going to fall ass over head out of all their trading arrangements,because the vast majority of editors and MPs went to university together and they couldn't accept the idea of one of those people getting to be PM for even a week. Remember, once the Labour party had accepted all of People's Vote's demands and offered to implement them in a caretaker government the response was basically this:

A lot of short memories around today I see pic.twitter.com/u59X8ukdkD

— Flying_Rodent (@flying_rodent) December 7, 2020

All the sensibles™ decided that the only way to stop disaster was to vote third party in a two party system where one of those parties had already committed to meeting all your demands. Of course there's nothing to learn from that, there was nothing to be done and they are all heroes.