Beyond the actual quality of the data, you also have to think carefully about whether it's reporting the most relevant information to the question you're trying to answer.
You're absolutely right. There may be hidden agendas behind data reporting.
Data quality is crucial, but it's only half the battle. The other half is ensuring the data is relevant to what you're trying to understand. In other words, relevant data might not be perfect data, but it needs to be suitable for the specific problem you're trying to solve.
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