They’ve probably not gone permanently, problem is that the U.K. government doesn’t care if U.K. airlines fly from the U.K. to Europe and back, or European Airlines fly from Europe to the U.K. then back to Europe, and nor will the customers, most of them will book their holidays on line and go for the cheapest option…
Its easy for Cabinet ministers to say to holiday in the U.K, they can afford the £thousands it now costs to book the few remaining decent holidays in Cornwall or wherever. Now far more expensive to go to St Ives than to Benidorm.