Now it makes sense why they always ask you to remain seated with your seatbelt fastened.
What was it before now then?
I cannot pinpoint the source, but for the last two decades, it _feels_ like it is common knowledge that the airframe can tolerate a lot more abuse than the passengers, especially unbuckled ones, can.
Obviously anecdata on my part, but it is interesting to encounter differing situational understanding which remind of non-universal assumptions.