The one stop flights are fake. You cant book them. They even had a fake news report when they “started” those one way trips when FE’rs started calling them out on it.

If you dont buy the fact that the non-stops are fake, you can also prove the Gleeson map by looking at emergency landings. For example, plane flying from Chicago, USA to Dubai, UAE makes emegency landing in Moscow, Russia. Makes absolutely no sense whatsoever on a globe, but is damn near a straight shot over Moscow on the Gleeson map.