Well yes, but the majority of the thread is leaning towards the stabilizer not being disabled. Something is nagging away in the back of my mind. Stabilizer runaway memory actions are so fundamental that the thread's detective logic changed quickly to looking at the ~5 second delay adding to the confusion of an already chaotic flight-deck - causing a radical diversion from old established SOPs.
The relatively calm ATC and the prolonged period of approximate hight holding, coupled with the huge handful of power in the last moments, is leaving me with a mind that's wide open.