Lastly, no doubt that at least one of the pax would have made a cell phone call/text when the plane dropped to 5000 ft. This must mean all the passengers were out of commission at that time, no?
At night - how many passengers at that time would or could know what the altitude or direction was- absent a violent manuver ?
Puuuhleese do not read too much into such events
Its fairly certain the plane is in the Indian Ocean - and until found, and passenger or flight recorder data are found and analyzed- ALL else is just fodder for the next ' tell all speculation book "