Safety instructions are a highlight of any trip. I always enjoy the gestures and specifically the expression in the faces when these instructions are given. Today most planes have a screen on almost every seat and the safety instructions are now also given in a multilingual movie. Yet the flight attendants still give a live demo. Why is that? The information is always identical to what is shown in the movie.
Few reasons could be behind this:
The simple answer is they don't.
The video plays the instructions including audio of the instructions ..
here's the most famous one:
but the human staff have to actually stand up to point to the exits and also demonstrate how to use the life jackets, oxygen and so on.
In some more old-fashioned, domestic, airlines, the human staff still speak the safety explanation.
1 by Remi Babinet and gang