I would guess it's pressure from rightsholders, assuming whoever made this call inside of netflix knows this isn't a good or common way to get or create pirated

I would guess it's pressure from rightsholders, assuming whoever made this call inside of netflix knows this isn't a good or common way to get or create pirated versions of media. I don't think defeating DRM on at-rest files is going to be any easier than the DRM on streamed chunks of files.