One could argue (many have, in the form of a tedious copypasta) that Linux is not the operating system because an operating system needs both a kernel and a use

One could argue (many have, in the form of a tedious copypasta) that Linux is not the operating system because an operating system needs both a kernel and a userland. Why wouldn't `nano` count as a userland in the same way as anything provided by a typical distro today?