> If you were trying to build L4, you'd hire a small team of exceptional engineers, and spend a few thousand on hardware tests. Billions doesn't come close. No

> If you were trying to build L4, you'd hire a small team of exceptional engineers, and spend a few thousand on hardware tests. Billions doesn't come close. Not sure if you are aware that the self driving (robotaxi) companies have spent tens of billions of dollars in the last decade. R&D expenses are huge, building custom sensors and vehicles is hard and fleet maintenance/operations is costly.