It has been interesting to use in genealogy. Input known facts about an individual and it can quickly characterize much about that person: religion, diet, work, beliefs, aspirations & fears. You can discover how names evolved, learned which places they really called home, and where they were just passing through. Contextualizing this in wider known historical data (wars, treaties) can be immensely insightful.
I never gave a thought to the Thirty Years War only to find later it was necessary for my existence. And all the invasions of Ireland, from the Danes to Cromwell. And the expulsion of the Acadians in Canada. And cousin-lovin. It’s the last rabbit hole you’ll ever need to descend…