>>135574771. I truly love Wikipedia, however, most people don't know how to use it. You need to take the articles there with a grain of sand, use critical thinking and go straight to the sources. It's also essential to read the edit history and the talk page to catch if there is vandalism or edit wars.
2. Wikipedia has a scale of usefulness. Hard science articles (astronomy, biology, physics, chemistry, medicine) are the most accurate, history articles are mostly OK, the other social sciences are dubious, and politically-charged articles are a shitshow.
3. The best part of Wikipedia are the featured images. Check out this pic of Saturn taken from the Cassini spacecraft.