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It heavily depends on the topic. If it's about mathematics, computer science, physics, then Wikipedia is very trustworthy. If it's an article about politics, ideology, history, or any topic larg...
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It heavily depends on the topic. If it's about mathematics, computer science, physics, then Wikipedia is very trustworthy. If it's an article about politics, ideology, history, or any topic large masses of people hold as an important self-identification criteria, then don't touch it even with a very long stick, as the group which happens to have more activists, dominates the article by being able to post more citations proving their side, and reverting edits made by others. Even if all citations come from reputable sources (which cannot be always guaranteed), an article can be biased by, for example, by having an excessively long section dedicated to criticism in case of an article about a person or group, where such could have been summarized in a short paragraph.