So much wrong with this thinking.
The left thinks race is a social “construct” (sic) and doesn’t exist, but that racism and black people nonetheless somehow do. It thinks there’s such a thing as black culture but no such thing as an indigenous Briton. It thinks there’s a Sikh vote. It thinks a man can become a woman by saying so.
So what is this mysterious “working class” nowadays, and how is it anyway the Labour Party’s base? To the extent it still has one the latter is merely bureaucrats, scientists, technicians, trade-union organizers, publicity experts, sociologists, teachers, journalists, and professional politicians – everyone Orwell identified as belonging to the Inner Party of Nineteen Eighty-Four. And that’s not a base; that’s an echo chamber.

Time to accept that labour doesn’t have – or apparently even want – a “working class base”.

Well, Labour is the party of the Teacher’s Union, and they seemingly wanted full lockdown of the schools for a year and a half. (are teachers Working Class now days? Does being part of a militant Union make one Working Class in modern definitions, Like say Tube Train drivers? Who make very middle class pay, but do something which I guess is traditionally working class, although in modern times I am not sure why.