The premise of the article that "Dropbox was .. a feature, not a Product" is complete nonsense. Remember the infamous FTP guy's top comment during their launch? I have spent almost 10 years working on making that vision a reality [1], and there are entire industries built around some variation of it: digital asset management, managed file transfer, digital preservation software, electronic document management systems, ...

[1] https://github.com/mickael-kerjean/fdrive | https://github.com/mickael-kerjean/filestash