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.
* 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_...
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.