If this is based on "legal consent" by phone owners ... what's to prevent them from selling this same data, live, to jealous ex-boyfriends? Are we to suppose co

If this is based on "legal consent" by phone owners ... what's to prevent them from selling this same data, live, to jealous ex-boyfriends? Are we to suppose consent in that case to. (and of course, some jealous ex-boyfriends work at the police office, so they already do a bit of that)