Is there a benefit to using the nginx PPA rather than nginx's official repos[1]? I use Debian Stable with several upstream repos, and I've never understood why

Is there a benefit to using the nginx PPA rather than nginx's official repos[1]? I use Debian Stable with several upstream repos, and I've never understood why people use a PPA when upstream provides a repo (e.g., nginx). [1] http://nginx.org/en/linux_packages.html http://nginx.org/en/linux_packages.html