(Windows Media Video) extension points to a specific era of internet history where this format was the standard for desktop-based video creation and sharing. Narrative Themes

For now, the only responsible and honest answer is:

Search terms like this often resurface because of "digital archaeology." People who remember seeing specific clips decades ago may search for the exact file name they once had on their hard drives. Additionally, automated web crawlers sometimes index old directory listings, keeping these specific strings alive in search engine databases long after the original files have disappeared from the active web.