The document argues that big data is often more of a burden than a solution, highlighting that true value comes from critical data that is essential and needed in the present. It criticizes vendors for repackaging old solutions under the guise of new trends, promoting the idea of focusing on 'critical data' rather than just volume. The author emphasizes the importance of understanding data latency and its impact on business outcomes, noting that certain systems may prioritize availability or low latency over consistency.