My reply to ConsumerReports assertion that AP should be disabled:
"Applying your reasoning to modern aircraft, we'd all be grounded! My wife and I have driven our Model X thousands of miles on Autopilot and love it. While we've found it to work as intended on open highways, what has not been mentioned is the elimination of stress, fatigue, and the potential for a rear-end collision Autopilot provides in congested freeway traffic. My 5 pm commute on the Santa Monica Freeway was a nightmare before Autopilot!"
"Applying your reasoning to modern aircraft, we'd all be grounded! My wife and I have driven our Model X thousands of miles on Autopilot and love it. While we've found it to work as intended on open highways, what has not been mentioned is the elimination of stress, fatigue, and the potential for a rear-end collision Autopilot provides in congested freeway traffic. My 5 pm commute on the Santa Monica Freeway was a nightmare before Autopilot!"