Also, good luck marketing a product which only works when everyone is lawful and considerate, and otherwise has a considerable chance of killing occupants or pedestrians.
Cars that you can buy today are such a product. As are kitchen knives.
Kitchen knives don't kill people. People kill people.
Not in the same way, there is accountability when a driver or knife wielder uses them dangerously. He's arguing for putting the accountability on pedestrians, which would be the equivalent of putting accountability on a murder victim. "Hey, it's not the murderers fault, the victim shouldnt walk around in bad neighborhoods."
The expectation with cars is not that everyone is lawful and considerate, but that everyone has a decent chance of being held accountable for their actions.
Quite the opposite. Non-autonomous cars are a product that works despite virtually nobody keeping the rules completely, and most drivers being inconsiderate.