What a disaster that would be i.e. computer monitoring a pilots attempt at hand flying on instruments. All you would hear would be a cacophony of
out of tolerance automated messages of "Bank angle, Bank angle, sink rate, sink rate, speed SPEED, altitude ALTITUDE, .
That's a bit harsh, Centaurus! When I call for the autopilot to be engaged, the effo says "geez, I thought it was already!".