Why that warning tag for this newly released movie page?

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Curious about the tagline “This article may have been created or edited in return for undisclosed payments,..” how can we sure that this was written after some payments, all I saw was a page for a recently released movie. In fact there isn’t any subjective description or hyped content in that page. I am asking only to understand the underlying guideline if any for that tagline. Thank you. Aymym (talk) 06:48, 13 August 2019 (UTC)Reply