Of course, their stock price might crash and a whole bunch of customers who paid for self-driving features might be seriously pissed.
To be clear, when I say the software should be changed to not automatically steer, I don’t mean that it should more aggressively complain about hands off the wheel. I mean that the car should drive in a straight line with hands off the wheel, and it should also alert the driver if it thinks that the driver is leaving the lane.
If they admit that radar + optical cameras won't be good enough for full self driving, there may be a lot of refunds to process.
From first principles, just optical cameras should be enough - humans can do it. But the software to make it work could be general AI level complex. Personally I think LIDAR self-driving will be available in less than 5 years, but optical may take 30 years. And the company who would be most capable of developing optical self-driving AI is Google, the fact that they are sticking to LIDAR is a good indication of the complexity of optical.
*autopilot