On s6 sets, kernel command line runlevels, and general complaining.

Please correct me if I'm wrong: Until now, I had in /etc/s6/adminsv/ my own services plus 3 dirs: 1, 2, default -- where "default" maps to runlevel 3. This is not a whim, kernel still accepts runlevel command line argument: e.g. if I want to boot...