Some interesting things to note from the ATSB report that hasn't been talked about;
The investigation is continuing and will include:
- review and examination of aircraft components and other items recovered from the accident site
- review of aircraft, pilot and operator documentation
- further analysis of flight path information from CCTV recordings and flight data.
The aircraft and it's components are still being investigated, so they have not ruled out aircraft issues as a cause as yet. They have stated they found everything at the crash site, so no parts departed in flight, and flight control continuity just suggests that the controls were connected at the time. I doubt they could have found out whether they were working as intended as yet given the state of the wreckage.
There must be recordings of at least some part of the accident captured on CCTV or such, thankfully not in public yet.
From those that have flown it, did the aircraft have electric trim?