That is the air crash investigation model, which has as a primary goal not assigning blame but understanding causes and what can be done differently in the futu

That is the air crash investigation model, which has as a primary goal not assigning blame but understanding causes and what can be done differently in the future. But in many cases it boils down to "pilot error" and in those cases the pilots (if they survived) see their careers severely limited if they even fly at all anymore.