This, and many other concepts based on "vetting" news assumes that the audience cares. A significant portion of the audience does not care, and is instead looking for news that validates their worldview, and furthers their (and their chosen political party's) goals. So basically these services will cannibalize the part of the audience that does care about truth, turning people against each other over marginally skewe…
To a point, you are correct, but most people don't "not care". Most people are unaware and only assume a knowledgeable, experienced editor vets and edits the news. Today, most news has a marketing angle applied to it to attract more viewers and visitors.
https://news.gallup.com/poll/243665/media-trust-continues-re...