Weak as it so often is, the Church of England appeared to welcome it, even though it posed a mortal threat to that institution. The BBC, never to be found wanting when political correctness was required, suppressed any debate about mass immigration, took the tenets of multiculturalism as its gospel and preached it to the nation.
Internationalism is one of the core principles of the Left. It abhors the nation state, which it sees as a foundry of bigotry, racism and aggressive nationalism.
The Left has always understood this: that if you manage to wreck a national culture and a national identity, you shatter the ties of history and nationhood forged over centuries.
Although there used to be patriotic Leftists — and there still are one or two — many in the New Labour project in the Nineties and Noughties were, effectively, self-hating Britons.
They tortured themselves with post-imperial guilt, wanted the country to lose its independence and be ruled by Brussels, and sought to have what a BBC executive called the ‘hideously white’ mainstream culture diluted by ‘diversity’.