Take list of top 1000 search terms and run by human reviewers. Take list of top 1000 search terms that are flagged and run by human reviewers. Take list of 1000

Take list of top 1000 search terms and run by human reviewers. Take list of top 1000 search terms that are flagged and run by human reviewers. Take list of 1000 sensitive terms (pay a few interns to do come up with them) and run by a human reviewer. Then review top false positives and random false positives. Apple probably spent more money on the UI components for this feature than all of that would have cost.