Freefall in color by many folks.
Gregor: Human response will change based on threat. For example, when self driving cars reached the point where they would not hit humans.
Gregor: Human behavior changed. Jaywalking increased. People would walk into the street without looking because they knew the cars would not hit them.
Gregor: As well as slowing traffic, it increased repair costs as the vehicles were having more nervous breakdowns than physical ones.