ex-matelot
The impact forces were sufficient to ensure that no one would be conscious or at all likely to regain consciousness after the accident.
It is unlikely that any switches were operated after the second engine failed.
Would a fixed wing pilot take his hands from the controls to operate switches in the cockpit if the plane had stalled and was in a spin?
One's immediate instinct is to keep hands on with the flying controls and try to sort things out that way.