The cabin crew must have had their act together. So did the Japanese passengers.
They’re Japanese. They love order.
In America?
Some flights would have a similar outcome. Others? I’d hate to be on a flight to Las Vegas or Orlando ...
Yes....aviation experts were giving a lot of credit to the behavior of the passengers. Panic could have led to a different result.
They probably all paid attention to where the emergency exits were and the procedures, and followed instructions.