Hear, hear!! I had exactly the same thought reading the article. Here in Atlanta, despite a fairly strict "no cellphone or texting" law, based on my observations, at least 40% of all drivers I see are breaking those laws, plus another 15-20% distracted in some other way, brushing hair, shaving, reaching down to do whatever, etc. The only ones who do NOT cross over lane markings while doing so are stopped in traffic or at traffic signals! (the GA law doesn't even allow use of cell phones, etc. even then, but it's rarely enforced at all) The above applies on city streets and interstates alike. Maybe in this one case it MAY be possible for artificial intelligence to overcome natural stupidity!
@Susan: I'm sure you could steer the car yourself, but if the microcontroller is sending a faulty message to the electronic power steering assist because it thinks you're going out of your lane, you will presumably have to overcome whatever torque it is applying. Or it might apply the "rumble strip" vibration to the steering column while you are wide awake. I'm not sure how likely either of these two scenarios is, but they are nuisances I'd rather not have to worry about.
A pessimist would say that this is just one more system which could potentially manfunction, thereby prompting future editions of Sherlock Ohms or Made by Monkeys. I'm not sure I like the idea of a system which automatically applies a steering torque to my vehicle. It seems like a simpler solution would simply be to not drive while drunk, drowsy, or distracted.
You have to applaud Ford's efforts to make this kind of cutting-edge technology available in cars that the average consumer can afford. I'm assuming that the lane-keeping technology can be applicable not just to keep drowsy drivers more alert, but also to serve as a warning for the countless folks distracted by cell phones, texting, and eating during the course of their rides.
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