ATC Watcher
As to the " speculators " here , please wait a bit, you look like journalists expecting sensational news.
then:
For what we know so far , if indeed it is correct, it could be many things , even something very simple, like multiple bird stike on both engines for instance....
Pity you do not heed your own advice...
Condolences to all involved in this tragic event, positioning crew too... so sad.
I would be more interested in what Boeing make of this, anyone know the official line...?