Just to try to sort out this man-machine-interface stuff, can we imagine the very same initial event in a more conventional airplane, say, a B757? In cruise at night, George is in control, and all of a sudden all airspeeds go wild and George gives up. What indications are available on the panel, and what is the PF supposed to do?
Attitude + Power = Performance
It is basic stuff that sometimes tends to get obscured in all the magic. It is also the foundation under which the "Unreliable Speed Indication" drill and checklist were written.