Mark Gevisser said this quote
“ Even if Zuma was to develop the authoritarian impulses of a Mugabe, he would be checked—not least by his own party, which set a continental precedent by ousting Thabo Mbeki in 2007, after it felt he had outstayed his welcome by seeking a third term as party president. The ANC appears to have set itself against that deathtrap of African democracy: the ruler for life. ”