"As Lexus has shown with its all-electric digital steering yoke the essential mechanical connections between car and driver could soon become redundant, but when it comes to such essential safety items and steering and braking, the question remains—should they?"
Should they be removed completely and their functions controlled by a computer? Anyone who has ever had to restart a car to get it to stop glitching knows the answer to that one. Redundant backup systems are there for a reason, and that reason is sound.