Smilin Ed, if the occupants of the flight deck were paying attention to their instruments rather than doing something silly like reading their Playboys or playing canasta they should have a good awareness of what the AP has the plane doing. So if there is a sudden stall warning for no known good reason why should they act by doing something which might be wrong. If they are in the correct regime and an input to the stall warning system went sour almost anything they do other than intentionally ignoding the warning would be the wrong thing.
You ARE doing something when you intentionally sit there and make no changes.
JD-EE