Bird poop on sensors? Dirt? Grime? Rain? Snow? How sensitive are these sensors? Half the rental cars I get have broken blindspot or rearview camera sensors. How

Bird poop on sensors? Dirt? Grime? Rain? Snow? How sensitive are these sensors? Half the rental cars I get have broken blindspot or rearview camera sensors. How often will L3-L5 sensors need to be maintained/replaced in order for software to work? Poorly marked road? Messed up road signs? Erratic drivers? Construction cones? Construction workers? Potholes? Road vibration? Road kill? Just because it can navigate a sunny California parking lot doesn't mean any of these systems are ready for primetime. The most common job in most American states is truck driver. If there's basically 0% market penetration by L3-L5 systems in the space as of 2021, I'm not holding out any hope that L3-L5 systems will be commonplace in people's garages in the next 15-20 years.