The show of humour and hope " featuring the Queen and Dizzee Rascal " lulled us into a false sense of security, ill-preparing us for the bleak years to come We are about to be expelled from the loosened sphincter of the 2010s and, quite frankly, it cannot come soon enough. This has been a terrible decade, full of fury and disaster at every turn. But where exactly did the 2010s go wrong? The most sensible answer would…