I suppose I would put my hand up to try and take one through its paces if the situation called for it...
If the crew without exception always choose the wrong button, ask one to point to what they think and then leave that one well alone...
I personally, if I was a crew member, would want to know the basics of what to do in an emergency on the type of plane I was crewing, but perhaps JB could put up an instructional video on You Tube to help us all out, we can download onto devices and keep with us just in case...
A handbook/getting started guide placed prominently in the coughpit also wouldn't go astray, one of those that cuts through all the cough and lets you get up and flying your A380/B747 etc in a few easy steps...

[
A "quick start" guide.
I like it!
I think I will keep my parachute handy though..lol.