On Sun, 14 May 1995, Ted Lemon wrote:

> ...famous last words.   I think it might be reasonable to say that it
> can be assumed that the superuser knows what it's doing, but that
> doesn't mean that you should overload dangerous functionality on top
> of standard syscalls.

The fact remains that this is historical behavior, not something that 
just appeared.  Why, I think even my old V7 manuals document link(2) and 
unlink(2) on directories for the superuser...

--scott