Not familiar in the technology at all but was there not promise of better cars with 5g capability like the ability for all of them to be coordinated and send messages between cars like described in this article
https://www.zdnet.com/article/connected-cars-how-5g-and-iot-...
There are indeed some legit consumer uses one can point to with 5G, but at the very least they all tend to come with the implication of more surveillance as one effect. For example, the fleet of cars all pinging messages and coordinating with one another implies that their exact location becomes knowable at all times to some centralized network node.