, it leaves the situation wide open to healthy speculation just as I am doing right now. After all, ATSB alluded to possible over-controlling of the elevators. But not by whom
You may think that healthy speculation, I certainly do not. In fact I would consider your speculate ludicrous. Just because the man did not have a pilots licence, does not mean he would not be aware of the possible results of any unasked for control inputs.