On the other hand if I link to example.com, random-website.org, or even a published study, then that's also not a guarantee it's anywhere near accurate.
Blindly trusting Wikipedia would be foolish, but so would blindly trusting anything else, or blindly mistrusting Wikipedia. Gathering reliable and comprehensive information on any topic you're not an expert on is hard, because you lack the background knowledge and expertise to judge the accuracy of something – basic critical thinking/bullshit detection helps, but will only get you so far.
Wikipedia isn't perfect and has its share of issues, but it's not bad either.
Blindly trusting Wikipedia would be foolish, but so would blindly trusting anything else, or blindly mistrusting Wikipedia. Gathering reliable and comprehensive information on any topic you're not an expert on is hard, because you lack the background knowledge and expertise to judge the accuracy of something – basic critical thinking/bullshit detection helps, but will only get you so far.
Wikipedia isn't perfect and has its share of issues, but it's not bad either.