A listing is a copy, not the source.
A people-search page brings together details from different places. Removing one page may leave the underlying sources and other copies intact. A broker may later obtain another record and build a new listing. That is why a one-time opt-out and continuing follow-up are different services.
Keep the identifiers consistent.
An old surname, a former address, or a second phone number can lead to a separate listing. Note which versions of your information appear in each record. Provide only what a legitimate removal process needs, and check who is asking before uploading identification.
Ask what the status actually means.
“Request sent” means a request was sent. “Acknowledged” means the recipient responded. Neither establishes that a listing is gone. Useful reporting distinguishes those stages and includes the date of the latest check. Some private databases cannot be inspected from the outside, so even a confirmation has limits.
Measure the work over time.
Keep a record of the URL, the opt-out date, and the response. Revisit exposed listings after the stated response window. You can do some removals yourself, or pay for help with the repeated work. Coverage totals are worth examining, but they are not a substitute for evidence about your own information.