What would perhaps be useful is for not only the crew to be debriefed but some of the pax as well.
The CAA, airlines and crews could well benefit from such input as what an airline
THINKS might happen in such a situation is not the same as the passengers think.
The 'them & us' attitude of some crew might improve if constructive comments such as some of those provided by actual pasengers were taken onboard?
Just a thought like