Originally Posted by
newKnow
Buz,
If the engines get left on and you leave the airplane, guess who's fault it is......
The Captains. IMO, it is a very good practice to make sure both pilots make sure are in the loop when things get shut down, especially, the captain. They will earn the responses.

Bingo.
There are some classic old school stories of guys walking away with the spinny loud things still moving.
For randomness sake: