I wonder what inspired OudeisPloiarkhos to create an account and upload the plot summary. It's their only contribution to Wikipedia, and it's so detailed I somewhat wonder if it's really proper for the site.
I'd guess some kind of academic assignment, though it's strange that they spent a few more months editing it after the original post.
My guess is a family member. The author seems to have been a colorful and accomplished man who, nevertheless, never attained fame. The Wikipedia page, as well as the one about the author himself, might be the work of an appreciative child or relative wanting to embellish the author's memory.
In Baltimore, there's something similar with the Amaranthine Museum, dedicated to the works of the eccentric and obscure artist Les Harris by his very dedicated daughter. It's something of a hidden treasure.[1]
Some weird stuff has cult-like following in some countries. Meaning, in Hungary, the Bud Spencer movies, Torrente and Ford Fairlane script punchlines are something almost every hungarian can recite by heart. I didn't occur this phenomenon anywhere else (yet).
Dinner For One [0] is a prominent example of a minor production in one language becoming unaccountably famous in another, to the point that certain lines became standard catchphrases in the adoptive culture — in this case, German.
I'd guess some kind of academic assignment, though it's strange that they spent a few more months editing it after the original post.