They are a mean spirited people who tend to be none too intelligent. The exception that proves this rule is Brian Habana. He learned from an early age that being a "bleck" that was good at sport he could escape the ghetto.
There are many theories as to why saffas are so bitter. The most credible is that they are sexually frustrated. This is because they are crap in the sack so are never satisfied. The women, whilst hot, are crap lays. They commonly "starfish" or "do fuck all but look at the ceiling" during intercourse. The man have tiny tiddles and blow their load within 2 minutes. Tops.