Tesla also dismisses high-precision maps, again in disagreement with most teams. Here's why.
After dissing LIDAR, Elon Musk has also declared that high precision maps, as used by most robocar teams are also a "really bad idea." He wants his cars to drive with only a modest map. That's cheaper and, if you can do it, goes more places, but most teams feel that is not the fastest path to safety, and foolish, since a car that can drive without a map is a car that can make a map, and memory of what a road looked like before is a useful thing, as long as you are flexible enough to deal with when it's changed.
In comment #1, see my new Forbes.com essay on the issues in mapping. Elon Musk declares precision maps a "really bad idea"