Some of the shop demand feedback/bug reports I’ve noticed may be caused by a glitch I came across in certain situations. It’s the perfect crime and can go unnoticed. If you have a shop before security (near check-in areas), you must also provide 100% enough seats for all your departing passengers, otherwise they’ll rush to an open shop (see thread for more info, as I don’t wish to clog up this one).
The developers I think have done amazing to continue balancing such a complex part of the game 
it’s why I’m calling this a “Glitch” as it is something impacting the system, not an error with the system itself. Aside from this glitch, very grateful for the experimental branch fix for franchise demand 