10 points explaining the mess that it is.
https://www.bbc.com/news/uk-politics-49008826
Personally I think the British membership in the EU always has been a big misunderstanding, and the self-understanding of the EU as this ominous European project going beyond a free market always was a megalomaniac erring of the masses, and a selfish hobby of the self-proclaimed elites trying to provide themselves bigger, shinier, higher thrones.