In the piece — titled “Can You Fool a Self Driving Car?” — Rober found that a Tesla car on Autopilot was fooled by a Wile E. Coyote-style wall painted to look like the road ahead of it, with the electric vehicle plowing right through it instead of stopping.
The footage was damning enough, with slow-motion clips showing the car not only crashing through the styrofoam wall but also a mannequin of a child. The Tesla was also fooled by simulated rain and fog.
Mostly sarcastic, but there is a secret service rule that the president is not allowed to drive on public roads. The rest is all debatable because it hasn’t been litigated. They answer to the president, but a president can not refuse secret service protection.
The current understanding is that they can strongly suggest things, but ultimately, they have to figure it out if the president doesn’t follow.