I had thought it may of been arrival passengers causing the surge in demand for shop/food franchises, so i built facilities in the segregated arrivals baggage reclaim areas but doesn’t appear to be the cause.
Looks to be the departure customers arriving in off the transit facilities that are rushing to a shop before check-in, significantly more so than they did in previous save games/builds played on default branch versions.
ACEO-40312 (I’ll not submit any further bugs on this, but thought it may help investigate with arrivals shops there to rule that out 
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