Howling Wind
I suggest too early for autopsies, Coroners still recovering bodies 35 so far
If no smoke or heat damage to lungs/trachea shown at PM then all dead before fire ie on impact. Obvioulsy all bodies will be badly burned from the fire.
I take your point that lung damage does not indicate a door was opened deliberately or that the 2 bodies got out of their own free will.
I think Coroner said "...from the position of the bodies, some appear to have known what had happened (crash)" I assume this to mean not strapped in and trying to get out.
I apologise for speculating, but all this talk of fatique... The pilots seem to have done a pretty good job subsequently even if the t/o was on the wrong r/w. I shall wait for the FAA prelim