Let me clarify that a bit. A lot of the Micro lights work off of dirt strips away from the major terminals and dont get the exposure of being around what most of us call aircraft. Another difference we have is that SA has a Radio License..... In our world radio procedures etc are part of your Pilots license today. Radio Licenses in the states are pretty much history (I still have an old one)
Its an issue for sure, but Im betting you have a few more serious than that in SA Airspace. Look at the Huey thread. Grab a cool Windhoek.