I'm totally confused, not being an engineer. I'd like to hear what independent AEs (Right term?) have to say about this.
The latest I have seen is that the grafite composite and alloy structure above the attach points (considered non-critical structure) has failed.
Nothing more, nothing less. A bomb would have caused a much different wreckage than what we are seeing, especially the vertical stabilizer.
Some form of separation has occured between the G-composite and the metal alloy conjoined with it.
The Airbus is a radical new design and they more than likely are beginning to show their weaknesses.
The vertical stabilizer failing caused the aircraft to become so unstable that the airframe literally shook itself apart. Another error is when the Copilot went to full power with both engines which compounded the problem.......