Source reliability A common complaint from Larry Sanger and others on the right has been Wikipedia's supposed “banning” of right-leaning sources. The reality is more complex: Wikipedia’s source reliability guidelines focus on accuracy and editorial practices, not political alignment. For instance, when the Daily Mail was deprecated as a source in 2017, it wasn’t because of its right-wing stance, but because of documented cases where it published false stories without correction, fabricated quotes, and manipulated images.30 Meanwhile, right-leaning publications with stronger fact-checking practices, like The Wall Street Journal and The Telegraph, remain widely used across Wikipedia. These nuances often get lost in politically-charged discussions about Wikipedia source reliability. Take the case of Fox News: while its opinion programming is generally considered unreliable due to numerous documented falsehoods, its straight news reporting is often deemed acceptable for topics outside of politics and science. Similarly, while the New York Post is considered unreliable for political coverage due to its tabloid approach and history of fabrications, it’s still sometimes used for entertainment coverage.
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