I and the voice inside my head(vis a vis my conscience) both agree that Jehovas partenalistic rulership is better than Satans liberal anarchy.
However, the 1 000 people in the sample have to be selected in such a way that they are representative of the entire population - these studies almost always assume a normal distribution. That would be quite difficult in SA because of the diversity you mention - but it can be allowed for.
Only two things are infinite: the universe and human stupidity, and I'm not sure about the former.
“Never argue with an idiot. They will only bring you down to their level and beat you with experience.”
― George Carlin