Malema is not a prophet; neither is he Nostradamus.
It's only common sense that if you let the monster into the house thinking it'll only eat the guests, once it is hungry again, it's going to turn to the next best thing.
An unfed mob is still hungry.
If South Africa refuses to address the core issues causing its propensity for vigilantism and violence, it will eventually metamorphose into something that will devour its own citizens.