(snark warning) I pointed out years ago, that hierarchical file systems would eventually be unnecessary on Windows, since the clear direction from Microsoft at

(snark warning) I pointed out years ago, that hierarchical file systems would eventually be unnecessary on Windows, since the clear direction from Microsoft at that time was to store every file in the entire system in \windows\system32, than manage it via an extremely deep and complex hierarchy in the registry... (end snark) Fortunately, Windows moved in a better direction since then, with user home directories and most user data stored effectively underneath then, more organization to the Windows directory, and so on.