Grokipedia is worse than useless. I scanned through an article on a semi-obscure topic which I know quite deeply, because I researched and wrote the Wikipedia article on that topic. There were dozens of factual errors, of course, but the funniest part was how Grok routinely overstated the importance of the subject. No, Grok, this one historical tree is not critical to the ecology of the area. It's just a tree.

I spent a month on and off doing research for that project, visiting libraries and a local historical society, talking to the historian there, looking through Newspapers.com, etc. The Grokipedia article, if it weren't so ridiculous, would be vaguely insulting.