Luke Mewburn writes:
| There are a variety of issues with having /home and /usr/local
| in the "base" set in NetBSD, including:
| 
|     *	Those directories may often be (NFS) shared in a heterogenous
|     	network
|     *	If these are symbolic links to other locations, pax will unlink
| 	the symlink

There are problems too when these locations are amd toplevel
mount-points, which are read-only. This makes, for instance, the
installworld target fail.