I ran an instance for a while out of curiosity a few years back - building the database seemed to work fine and appeared like a good idea, had a lot of fun to see the connections with other servers and my crawler filling holes of unknown spaces. But I think the search algorithm itself was (most likely is) not sophisticated enough, it just did not give relevant results often enough, and it was extremely vulnerable to very simple SEO tactics to push trash to the top.
Now here’s a game were calling the remake “reforged” actually works really well