Downloading a "portable" version is more than just piracy; for many, it is the only way to archive a piece of history. It ensures that even if a YouTube video is taken down or a streaming license expires, the music and the message remain accessible.
Many fansites (like K-Phim or various Facebook subbing teams) created these versions to ensure the content survived potential copyright takedowns on YouTube. show me the money 6 vietsub portable