It really irks me to have to use the French as an example but.....I've never seen them in action during an emergency, so maybe someday I'll change my mind.
http://www.cbc.ca/news/background/plane_fire/
"This time it was different. As fire ate its way through Air France Flight 358, flight attendants did exactly as they were trained to do – they got passengers quickly and safely out of a dangerous situation.
They had precious few minutes to move 297 passengers out through the emergency exits before they might be overcome by toxic fumes."