I would argue it's not childish and is a strong point considering emacs is not typically installed by default. Vim isn't usually installed by default either, go

I would argue it's not childish and is a strong point considering emacs is not typically installed by default. Vim isn't usually installed by default either, gotta go with good ol' vi, unless your distro maintainers are nice and symlink vim to vi for you until you install vim.