My goodness, RIP to all those on board. Condolences to the families.
From some of the video stills posted looks like they are at BASE and too close to the AP?? Even to the untrained investigator or professional pilot, and pure speculation, could this simply be a case and reminder to all of us of TURNING FINAL from BASE and getting the most dangerous turn in aviation wrong?....."I am too high and too close to the airport, so I try to get the nose up to slow us down and force a gentle turn resulting in a stall and a wing drop..."