Is it because everyone is facing forward and the typical air conditioning system is pushing the air away from people’s faces?
Is it the extra cleaning cycle between each movie, some facilities spraying down each arm piece of each chair and hand-rail?
Is it the new HEPA Filters that many cinemas installed?
Is it that most people are still wearing masks? …that they were checked at the entrance for being vaccinated?
Several studies have been done, as noted in Celluloid Junkie, by UNIC, by Deadline one early in the plague’s cycle in the heavily tracked South Korea, and one later in a more general manner – both reaching the same conclusion. No One can point to an incident of Covid being traced to the cinema theater.