More than two years have passed since Britain voted for Brexit. Ever since that moment, the vote to leave the European Union has routinely been framed as an aberration; a radical departure from ‘normal’ life. Countless journalists, scholars, and celebrities have lined up to offer their diagnosis of what caused this apparent moment of madness among the electorate. Russia-backed social media accounts. Shady big tech firms like Cambridge Analytica. Austerity. The malign influence of populist ‘Brexiteers’ like Boris Johnson and Nigel Farage. The Brexit campaign exceeding its legal spending limit. Or a much-debated claim, written on the side of a...