Notably, human perception is effectively monocular in driving situations at distances of 60 feet or farther. It's best in the area where your limbs can reach.
We don't need stereoscopic vision to drive.
"mass" is a strong word but the first one came off their production line 5 days ago
ramp to high volume will probably be extremely slow
Sensor fusion is not far simpler, when the sensors disagree, and they will often, you have to pick which to trust.
It is amazing to see how many people here are confident they know the one true way to build autonomous systems based on nothing but wanting to confirm their biases