Safety procedures in airplanes are generally not based on "passengers are going to notice and react". If you have a specific role for some passengers, like subd

Safety procedures in airplanes are generally not based on "passengers are going to notice and react". If you have a specific role for some passengers, like subduing disruptive individuals or opening and operating an emergency exit, the passengers are informed and qualified for the job. For instance, if you sit on an exit row, you need to be physically agile enough, and the crew instructs you to learn how to operate the door.