Originally Posted by
360KIAS
What I was alluding to was that SET may not be all that much of a cost saver, unless one anticipates a really significant taxi. On the flip side, doing a SET for a short taxi, getting near the runway, having to hurry up and start then T/O without proper warm-up time is more likely to cause engine wear/damage that would offset the fuel savings rather quickly.
Ok, let's just pretend all this is true. That's not the reason guys aren't doing it. (Or stand ups, or cleaning, or sticking around after the flight to glad hand.) Morale is in the toilet. That is the reason.