Why are you repeatedly presenting this as a choice? Once again, you don’t need to choose between them. It doesn’t matter which has the biggest impact. Do both.

Why are you repeatedly presenting this as a choice? Once again, you don’t need to choose between them. It doesn’t matter which has the biggest impact. Do both. What we can be sure of is that your solution cannot make human driving safe. We’ve been trying for a long time and haven’t come close to solving it.