The most likely cause of this accident could be the FATIGUE factor.
The bean counters are solely responsible for playing with the lives of passengers by lobbying for increase in FDTL.
The paying passengers need to be seriously enlightened on how unsafe their flights are when the crews are stressed, frustrated (degrading T&Cs etc) and fatigued.
It is extremely alarming to even think of what we might expect in the near future, when we have pilots at the controls, who are drained, memotivated and frustrated because they had to pay for their type ratings, line training and to get a job !!