Who would buy those and why? They don't use LIDARs for better self-driving somehow. They're just data harvesting units with wheels. And I don't think there's a large and underserved market for LIDARs on wheels.

> Who would buy those and why? [...] They're just data harvesting units with wheels.

Tesla would subsidize them and offer them at the same price as non-LIDAR models, to select customers in target areas.

And yes, you answered the second part of your own question.