Re: What can be learned of the crash at this late stage?
Why would anyone blame pilots ? It was carrying a batch of lithium batteries in front hold AFAIK.The data mungers deserve credit for refining their data and predictions to reduce search area. They may even be right Fuselage might not be very distinguishable, but two large turbines should be and parts of tail structure. Aircraft tails seem to survive most impacts.
I would not be surprised if cockpit voice recorder tapes were mostly blank after connections to pointy end were destroyed before plane went down.