"However how crews work together in, and respond to, an emergency is something all pilots and crew can learn from."
That and a hell of a lot more!
That is exactly the point leftie, your mentor didn't want to go there because it exposed his organization and therefore the "Guvmint" to liability.
That can not happen.
The imperative to manipulate the weakness in management of the ATSB, subvert their investigation and install the party line.
All the safety lessons unfortunately sacrificed, because they impinged on the carefully managed scenario, "The pilot dunnit"...we are the experts...therefore there is nothing to see here move along!!