It's absurd how improving traffic safety can be seen as villainous. Are humans really that selfish? Apparently.
Fast personal transportation is so high utility that people will dismiss many externalities. If you offered teleportation anywhere in the world except it would pick a random African and kill him at a 1E-6 to 1E-4 chance (depending on your skill at Tetris while being teleported), I suspect many in the West would do it without a question.
He's specifically harassing people who are literally stopped:
“Then he sees it: a driver idling in the late afternoon gridlock while scrolling his phone. Perfect.”
There is nobody as entitled as a driver.