If the choice is between Wikipedia vs random information accross the web, then Wikipedia is undoubtedly better. But it doesn't have to be that, on many topics there are reputable sources to consult first.
There is very little "random information" on the internet which you can find easily anymore. The blogosphere is cordoned off by search engines as are personal websites most of the time.
Most academic papers are behind paywalls now. Which is maybe just as well given AI scraping.
