Well that was in a time when Apps were self-contained software, before they started talking to the Internet and require a wide array of specific webservices to

Well that was in a time when Apps were self-contained software, before they started talking to the Internet and require a wide array of specific webservices to be online and functional. As developer you don't want to keep old services running forever, because you want to evolve the app and eventually change something that breaks older versions.