The true interest lies not in the file itself, but in the challenge it presents. It demands the user to become a digital detective—hunting for the matching parts, checking CRC hashes, and hoping for the missing pieces to finally bring a coherent whole to light.
It might be a segment of a massive, long-forgotten data backup (e.g., a "part of a larger dataset" [1]) that someone is trying to recover. sc24717-MW5MROR.part05.rar
It could be part of an ARG (Alternate Reality Game), where files are fragmented to encourage community collaboration to reassemble them [1]. The true interest lies not in the file