Archinstall works until it doesn’t. Recently I tried Luks and BTRFS more than 6 times leading to a script error each and every time. Could I have done something simpler and archinstall work? Possibly. But it offers those things out of the box and for it to fail each and every time ultimately led me back to the wiki to do it manually.
I have had two major issues lately that were either limited to me or actual issues that should be addressed: