Lemmies who have rode in a self driving car - What are your thoughts on it?

Fully autonomous (no driver needed) or is level 3 self driving enough? (tesla straddles that line)

https://www.researchgate.net/profile/Mario-Hirz/publication/322368082/figure/fig1/AS:587117818314753@1516991204976/Levels-of-autonomous-driving-according-to-SAE-J3016.png