I guess that probably differentiates it from the usual invisible policing service most South African's complain about.
Maybe the 'visible' service is a premium service?
As part of World AIDS Day the BBC News is running a photo journal entitled: Lesotho Aids diary - Joseph's day.
This gives a great insight into life in some of the more rural places in southern Africa. It also highlights how the likes of Joseph are the real unsung heroes of the battle against HIV.