Content is no longer "one size fits all." Metadata allows for extremely granular "long-tail" searches.
In the modern era of digital content, creators and production houses often use highly specific, coded nomenclature (like the string you provided) for several reasons: BBCSurprise.23.05.08.Rissa.May.My.Asshole.It.Ju...
File names are often packed with keywords (date, performer name, specific "act") to ensure they appear in very specific user searches within database architectures. Content is no longer "one size fits all