Note that I'm not saying OH NOEZ PA SUCKS COS EVERYTHING IS NOT A FILE or
even 'oh no you must rewrite PA so that everything is a file'.
I'm just wishing for an ideal world in which the Unix philosophy was still
as universally followed as it was in its early days, and musing about ways
to make that happen. I think a working revoke() is the biggest missing
piece (and libraries to make exposing one's configuration state as a FUSE