Nothing forces them to do it, but it offers a fractured and confusing user experience.  There are other comments in this thread about how it&#x27;s annoying that some content is free and some paid.  Now add offline yes&#x2F;no, and you&#x27;ve doubled the possibilities for every piece of content.  And better yet, offline yes&#x2F;no <i>on this device</i> and you double the possibilities for every device you personally own.