> The phantom braking problem is likely just one of the many symptoms of Musk's insistence on relying on optical systems instead of more expensive sensors.
Based on what? How would 'expensive' sensors help?
We know that in some situations expensive sensors can get data that optical cannot. What we don't know is if any of the above is enough extra data.
What we do know is there are times when humans are bad drivers, and other times when humans continue when they shouldn't relying on luck. (Ie driving in snow storms with low visibility)
Based on what? How would 'expensive' sensors help?