Warnings by Remainers about the consequences of a ‘no deal’ Brexit are beginning to resemble a game of oneupmanship worthy of Monty Python’s Yorkshiremen. Not content with claims that the M20 to Dover will be gridlocked with lorries waiting to undergo customs checks and that the North Ireland peace protest will break down, Doug Gurr, Amazon’s chief in the UK, apparently told Dominic Raab at a recent meeting that there will be ‘civil unrest’ within a fortnight of Britain leaving the EU without a deal.