In the article this is in the context of fraudsters buying used phones to fake rides in China and take advantage of incentive programs to make money. So they want to track these devices as they change hands.
So I think their goal is not so much about identifying people, but identifying devices in order to prevent this loophole.
In the article this is in the context of fraudsters buying used phones to fake rides in China and take advantage of incentive programs to make money. So they want to track these devices as they change hands.