Originally Posted by JARblue

I think that could be considered a form of busking. You're not really "performing" though, so I could see arguments that it is more akin to panhandling.

Maybe try bringing your own safety instruction props next time. Then when they are doing the demonstrations you can stand up in the aisle and do your own version. Like strangling yourself with a hang noose when the oxygen masks drop or a demonstration down the middle aisle of how to go down the emergency slides on your stomach slip-n-slide style