People do get kidnapped at traffic lights. Here's an incident of it happening in Florida a few months ago.
The ability to arbitrarily stop vehicles would be very useful for this kind of crime because it could be done in less crowded areas. And criminals could more readily select for expensive vehicles, young women or whatever else they're wanting.
[1] https://www.crimeonline.com/2024/04/12/video-florida-woman-a... [2] https://www.youtube.com/watch?v=usuo0jOcHJA