Autopilot lost in three categories in the Consumer Reports tests: Keeping the Driver Engaged, Clear When Safe to Use, and Unresponsive Driver.
If you believe the driver engagement metric should be binary and leave zero room for ranking of the systems by difficulty in defeating them, well I doubt many would agree. A system that can be defeated by a simple weight attached to the steering wheel should very clearly be ranked lower than a system that is defeated like this
Consumer Reports used a 1-10 ranking system and that certainly feels appropriate