One thing it gives you out of the box that is difficult with the other Homebrew ...

100k on May 2, 2017 | parent | context | favorite | on: Homebrew 1.2.0

One thing it gives you out of the box that is difficult with the other Homebrew options (there is also https://bitbucket.org/mituharu/emacs-mac/overview) is a standard macOS application that you can launch with Spotlight.