If this was due decompression, pilots don't have the time to communicate with the passengers. What is important is to get the aircraft to descend to a safe level as soon as possible.
The cabin crew however were either not trained properly or forgot the correct shout command which is in the lines of grab mask, fasten seatbelts, breathe normally. 'Passengers get down!' does not achieve anything nor is it a requirement. Wear the mask and continue watching the movie you downloaded to your laptop.