Hi PJ2,
Of course, I give you much credit, on this subject and others too.
I did not want to analyse here Langenwieshe's text that BEA could not write. Fatigue of Dubois is highlighted as a shocking scoop to sell paper, as did Otelli already, and first cause of the crash and should be hiden by the BEA.
Why couldn't the two pilots Robert and Bonin manage an UAS and aircraft's attitude on a type between many others ? Have we really to call help to psychology what is only piloting technique with an autotrim FBW? I read anywhere that around 500 persons by Air France were involved in human factors improvement! I cannot share that definition of human factor in a closed loop effective system, and refer to the definition from USAF's General Arquiette in Manas KC-135 dutch roll crash report.
Of course pilots have to rest as soon as they are preparing a flight.
Another thing I didn't appreciate in Langenwiesche is to write about personal conversation with BEA's leader without possible feedback.
He really needs a glamour newspaper to write that, and that is not professional, and worse if he is an expert who knows the rules.
I was amazed how many accepted that.