LIDAR is no longer too expensive for mainstream adoption
engadget.com
engadget.com
Sensor redundancy and complimentary performance are critical for other complex systems, why not autonomous vehicles?
There is one big 3 letter reason in the industry I don't want to mention here
Automotive engineering company without "tech" spin have no problem using radars for lane keeping assist and collision avoidance
Nor cameras nor lidars are suitable for that safety critical task because of their low reliability in bad weather — this is what any normal engineer will tell you.