The anti-colonialists believed (and Obummer still does) in a zero-sum game and that results in a Zimbabwe.
In comparison, look at Asian former colonies like India, parts of China, Singapore, etc. They believe in growth and free markets.
The differences in prosperity are startling.
...Canada, US of A , Australia,
Its a function of choice, every step. Once you are there what do you want to do? All of these colonies chose to follow law and prosper. But for Africans? Too many tribes and illiteracy. Still plagued with it today. Thats one of the reasons they exceed at failure. Sure they have structured societies, all tribal monarchies. Political/religous philosophy is still 1000 years backwards. When was the last time the whiteman had tribes in England? Germany? France?