By your own words, tool like apt, yum, and pacman would all be "doing it wrong." It's just wrong to blindly apply any rules without considering the various pres

By your own words, tool like apt, yum, and pacman would all be "doing it wrong." It's just wrong to blindly apply any rules without considering the various presumptions that justifies it. Specifically, the general advice of not creating directories in the filesystem root mainly applies to individual packages and is inadequate for system-level package managers.