That is one way, yes, there are others. But if you find my writing unconvincing, here's something you can try: Watch videos of FSD driving and note how often it fails to see objects like cars, trucks, people etc. FSD has 99 problems, but depth perception ain't one.
Can you stop talking nonsense. There is so much difference between cameras and lidar. Weather and fog being one clear example. It’s unbelievable what people will do to suck up to elon.