One can debate whether anti-theft is a worthwhile trade-off for stalking, but because it's implemented as a peer-to-peer network, the consent of the owners of the other peers is relevant.
The huge shift here is that this feature exists in the first place - it's an on-by-default peer-to-peer network that runs on almost all phones, very few people know about and almost nobody would have consented to if they understood it could be used for stalking.
One can debate whether anti-theft is a worthwhile trade-off for stalking, but because it's implemented as a peer-to-peer network, the consent of the owners of the other peers is relevant.
The huge shift here is that this feature exists in the first place - it's an on-by-default peer-to-peer network that runs on almost all phones, very few people know about and almost nobody would have consented to if they understood it could be used for stalking.