However this still doesn't explain why flights which were so popular (winter Sat ski flights and winter sun flights to Malaga and the Canaries and Cruise connection flights just to list a few) have been gradually whittled away to oblivion.
Even the airport staff (those that still exist) are baffled by the lack of interest in anyone providing these services.
They were obviously not popular enough. They may appear to have been popular but must not have made (enough/any?) money for the airline/tour operator. Airport staff (like most armchair experts) do not know the cost/income figures for these services. If these services had made enough profit in the past they would still be there. With the state of the industry at the moment any service that made good money would not have been dropped.