Incredible slew of theories, each one reflecting the prejudices of the poster.
When Brevik killed those people in Norway, he left a massive trail, he had planned it for months. When Robin Williams died, likewise there was clear motive, it culminated a long period of difficulty. ME Terrorists likewise have clear reasons and history.
Here there is nothing.
Just another unexplained passenger plane crashing, ontop of the 3 last year.
The authorities want to sound definitive and in control.
How many doctors in their training take a bit of time out for stress and overload?