The vast majority of accidents occur during the takeoff, approach, and landing phases of flight: * https://accidentstats.airbus.com/statistics/accident-by-flig

The vast majority of accidents occur during the takeoff, approach, and landing phases of flight: * https://accidentstats.airbus.com/statistics/accident-by-flight-phase https://accidentstats.airbus.com/statistics/accident-by-flig... Planes are certified so that a fully loaded plane can be evacuated in less that 90 seconds: * https://www.skybrary.aero/index.php/Emergency_Evacuation_on_Land#Certification https://www.skybrary.aero/index.php/Emergency_Evacuation_on_... During those phases, if an emergency occurs, people should not have their heads in a screen. The configuration of all seats and trays should be that if an incident occurs everyone is prepped to evacuate ASAP. The fewer distractions there are the better IMHO.