[jimbokun]

No 16 year old has practiced driving a car for 16 years.

[krisoft]

They were practicing object recognition, movement tracking and prediction, self-localisation, visual odometry fused with porpiroception and the vestibular system, and movement controls for 16 years before they even sit behind a steering wheel though.

[Dansvidania]

If you see gaining fine motor control, understanding pictographic language […] as a prerequisite to driving a car, then yes, all of them are

[krige]

That's an exaggeration. Nobody is trained to read STOP signs for 16 years, a few months top. And Waymo doesn't need to coordinate a four-limbed, 20-digited, one-headed body to operate a car.