Which part of the spec do you think people who care about privacy will object to? I agree with you that this is a poor choice of wording but I think your interpretation is uncharitable.

I think this is a very innovative solution that enables contact reporting without knowing location or personal details at all, and its exclusively opt-in.

I see some people arguing that "yes but it could be subverted" but this isn't a really good place to begin if you just want to monitor people and know who is talking to who, there are much better ways to do that already available.