Incidentally: on the question of the intrinsic weaknesses of the case for Brexit, it must be significant that the Sweden Democrats – roughly equivalent to our UKIP – are back-pedalling on their previous anti-Europeanism, after seeing what is happening in Britain: https://www.bloomberg.com/news/articles/2019-01-31/sweden-democrats-step-back-from-demanding-exit-from-the-eu. Brexiteers used to think that their example would encourage other European countries to pursue a similar nationalistic path. That doesn’t seem to be happening, here in Sweden.

PS: On the other hand (9 February), Kajsa tells me that their rationale for staying in may be to destroy the EU from inside.