Tesla FSD is level 3. You still need to be fully aware and hands on the wheel. Level 4 is when no one needs to be at the driver seat, which is what Cruise and Waymo are doing.
Quantity != Quality. Just because McDonalds serves billions of people doesn't magically make it good food.
Quantity != Quality. Just because McDonalds serves billions of people doesn't magically make it good food.