Depends. There’s also the included archinstall script, which skips all of that. Just some minimal configuration you find on most distros (Language/Time Zones/Mirrors…) and that’s it.
So yeah, nowadays it’s totally possible to end up with a working Arch installation without knowing anything about it besides that one command.
I just run some self hosted servers. I most definitely run more than ten services, not few of the consisting of multiple containers. With this change I’d basically hit the limit every time I do maintenance and pull the latest versions of all the images I run.