Ozmd,
In order from your last post.
Pilots fly freight.
There could have been a much more life threatening situation for the pilots to be dealing with for them not to give a pax brief, if, they didn't.
ATSB shouldn't have too much work on their hands for a routine shutdown.
Pilots don't "switch off" engines they shut them down.
Those, just being a few points to make me think either you the writer for the Daily Liberal or a desk jockey for the competition.