Cazatou, by asking that last question, albeit a loaded one, you highlight more doubts about what happened on and before the flight.
No-one knows the answer to many questions and certainly in no accident where there are no survivors, no-one can ever know what the crew were thinking. We don't even know what was said, due to the lack of a CVR.
It seems you have moved away from your previous alleged "no breakfast" issue, only to try and find yet another knife.
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It appears that certain posters have undeclared but compelling personal reasons to try to uphold the unfair verdict, especially in view of the amount of time spent here doing so.
Cause unknown is the only fair verdict.