And there was me thinking Harriet Green OBE had turned around Thomas Cook from the financial basket case it was before her arrival into an expanding, successful enterprise. Turns out yet another top executive gains personal acclaim then moves swiftly on before the mess resurfaces in the long grass. This isn't to do with hot summers or Brexit or Easter falling late or drones or any other management excuse. They are suffering in all markets - UK, Germany and Scandinavia. It's to do with the huge debt built up since the MyTravel merger, aging assets in the form of shops and aircraft, and a fundamental shift away from IT package holidays to DIY internet based dynamic packaging predominantly because customers can buy better quality holidays at more affordable prices by doing it themselves.