This is the future of cars I've warned everyone about

Oh, it happened, maybe not quite a kill switch, but it could be if you're a rubber necker etc.
Car Kill Switch Bill: What the New Federal Law Requires
"The initiative is intended to address the thousands of deaths caused by impaired driving each year by requiring advanced safety equipment as standard equipment in new cars".
That's how it's pushed through, as safety equipment, because who can refuse to support better safety standards. The part they aren't talking about is what else it can be used for.