If research never changes the marketing copy, start by preserving one representative example. It gives the investigation a concrete reference and makes the eventual correction easier to judge.
Find the likely cause
Insights have no decision owner.
Treat this as an explanation to verify against the actual work. Look at the input, the relevant decision, and the final result together. If the evidence does not support this diagnosis, investigate the mismatch before applying a convenient but unrelated fix.
Make the targeted correction
Attach each finding to one page, one proposed change, and one reviewer.
Useful audience research connects a buyer's situation to a decision your content can help them make.
Check that the repair worked
Verify that the revised page addresses a documented customer question.
Repeat the check on the final version that the reader or customer will encounter. An approved draft, a preview, and a published result can differ; the acceptance decision should concern the version people actually use.
Prevent the next related failure
A separate issue to watch for is this: aI personas sound convincing but lack evidence. Replace invented ages and hobbies with observed questions, buying triggers, and objections.
Monitor the useful outcome
Track qualified inquiries by audience segment, alongside the number of research observations supporting each segment.
Keep a short record of the original symptom, the evidence behind the diagnosis, and the result of the acceptance check. That record makes the solution reusable when the same condition appears again, without assuming that every superficially similar problem has the same cause.