Warning the cabin crew about the imminent crash IS INDEED A PRIORITY.
You can forget all the rest, the checklist, the gear, the flaps, but SHOUTING loudly in the PA, yes SHOUTING Brace for impact, is a must, and easy to remember and to do.
I think flying the airplane in such circumstance is by far the easiest thing to do, quite easy in fact.
Applying the correct procedure is the real challenge, in every situation.
LEM, you're a hard man to please. How many of us have been tested in this way? Despite the startle effect and very little time, everyone walked away, it could have been much worse. They only had time for the A of ANC. It's a brilliant result.