I can't speak for this creator, but often these niche products serve a community of like-minded, or in fact are the mechanism or way to find and connect with a community of like minded people.
I think of folks doing projects around old technology paradigms as similar people to those who grew up building hot rods and find building cars to be greatly satisfying. Hacking a newspaper on your wall is similar, but in more of a dick tracy watch ethos.
It's part function, part art piece imo. I can imagine somebody who's fairly well off drinking their morning coffee whilst reading this on their wall. A statement piece for the guests at their fashionable dinner parties too.
Or you could just have it cycle through the most outlandish front pages from the Weekly World News about the latest exploits of Bat Boy[2]. Or switch to whatever your tastes are for the day! :)
1: https://www.google.com/search?q=famous+newspaper+front+pages&tbm=isch
2: https://www.google.com/search?q=bat+boyThere are definitely people who would like this in their homes. Probably multiple.