E.G: we all saw the close shots used journalists to magnify a so-so event and make it newsworthy. Yet, when seen one, many still consider it as "news". We all know which politician lied last year. Yet, when speaking again, many still listen. We all know which company abused consumers. Yet, when a new product is advertised, many still buy.
It's possible a video doesn't reveal the appropriate context. (e.g. what happened before the start of the video, and maybe what happened afterwards; or what's happening out of view).
That said, that isn't inherent to video. (And, sure, "swapping faces" doesn't lead to a more accurate portrayal).