Exactly, Arch allows you to do many bleeding edge things. An installer would never keep up are give you that freedom.
> I remember when Ubuntu supported root on zfs but the installer didn't it was rather involved to get the install going.
That's why many installers allow you to drop a shell when it's time to partition.
> I would have to look up the correct incantation to get the wifi connected on a newer PC
To be honest that would largely be helped if archiso would start using NetworkManager
Exactly, Arch allows you to do many bleeding edge things. An installer would never keep up are give you that freedom.
> I remember when Ubuntu supported root on zfs but the installer didn't it was rather involved to get the install going.
That's why many installers allow you to drop a shell when it's time to partition.
> I would have to look up the correct incantation to get the wifi connected on a newer PC
To be honest that would largely be helped if archiso would start using NetworkManager