This is a classic regulatory capture. Now that there is a standard number that has to be serviced there will be more demand for the companies providing these services. They in turn get more volume of data to sell off to the brokers.
Callers need to exercise a fairly high level OPSEC to maintain anonymity. If you aren’t using some VOIP service, there’s a good chance your call will be traced and the cops will be at your door anyway.