Great Britain may be an island, but economically it is the most interconnected country in Europe: The financial center in London, the country’s carmakers, what’s left of British industry and even the country’s infrastructure. France delivers electricity, water sanitation facilities in southern England belong to Germans and large airports such as Heathrow are owned by Spaniards. One quarter of the doctors who keep afloat the NHS — Britain’s comparatively deficient health care system — come from the Continent.The promise of Brexit was steeped in ideology from the very beginning, a fairy tale based on dark chauvinism. The Spanish Armada, Napoleon, Hitler and now the Polish plumbers who allegedly push down wages — when in reality they ensured that, after decades of lukewarmly dripping showers, the country’s bathrooms gradually returned to functionality. Brexit was never a particularly good idea. Now, following the most recent election, Brexit is defunct. That, at least, is what a member of Theresa May’s cabinet intimated last weekend. “In practical terms, Brexit is dead,” an unnamed minister told the Financial Times.