I would question, though, whether that's particular to Wikipedia. You should take everything you read with a colossal grain of salt. Even if it's written in a printed encyclopedia, a textbook, or an article.
That is true, understanding what makes Wikipedia susceptible to biased thinking, scamming, or propaganda widens your view to understand that newspaper articles, government press releases, and technology journalism (to name only a few) are also to be taken with a grain of salt.
I would question, though, whether that's particular to Wikipedia. You should take everything you read with a colossal grain of salt. Even if it's written in a printed encyclopedia, a textbook, or an article.