Check the impression, not just the individual statements
A campaign review should consider what the audience will reasonably take away, not simply whether each sentence is technically true. Creative authenticity means avoiding false claims, communicating necessary context clearly and not concealing negative information. Playfulness does not remove the need for those checks.
Volkswagen's Voltswagen of America announcement illustrates the risk of presenting a joke as corporate news. The company announced a change to its US operations, confirmed it to journalists, then said the announcement was an April Fool's ruse highlighting the all-electric ID.4 SUV. The sequence blurred the distinction between a playful idea and a factual announcement.
Before approval, examine the relationship between the headline, imagery, supporting copy and qualifications. Ask whether their combined impression promises more than the business can support. Where the audience needs foundational explanation, provide it rather than stretching a benefit claim to make the creative idea work.
Sources: Faking bad: why marketers need to maintain standards in a post-truth world, Reactive Marketing: Why Timing Is (Still) Everything