It's fast, but you are only installing base
, linux
and grub
.
base-devel
should also be there, since it's assumed to be installed by any PKGBUILD you'd want to build with makepkg.
But yes. It does what it said it would do: Install a basic, minimal Arch system in just over a minute.
I think he wrote that he had been contributing for about 7 or 8 years, and only the last one was as a volunteer.