Childhood is formative, being a teenager is formative, being a young adult is formative, etc. And some of those phases will involve a conscious reversal of previous beliefs and dispositions. It may be difficult to generalize here.
Also, I doubt that many people think their life was “all steered by Incredibly Deep Wisdom and uncaused free will”. For most people, life has involved surprises, external impositions, revelations of personal folly, and so on.
“Her book … asserts a direct cause-and-effect relationship between $1 trillion of aid and the rise in African poverty rates from 11% to 66%.”
I have hardly skimmed the book but it does not appear to address the economic impact of population growth. Chapter 1 mentions that half of Africa is under the age of 15, but only so as to highlight the sheer number of young Africans lacking opportunities found elsewhere in the world. Wikipedia, paraphrasing UN estimates: “The total population of Africa is estimated at 922 million (as of 2005). It has doubled over the past 28 years, and has quadrupled over the past 55 years”. It is still the fastest growing region on Earth, projected to double again by 2036.
I also see in Chapter 3 a remark about US aid to South Korea from the 1950s to the 1980s equalling all the aid that Africa has received (ever? from everyone? it’s not clear, no source is given). South Korea is one of the most advanced countries in the world now.
It is almost certainly not the case that her “whole continent [was] wrecked by emotion and pity”. The majority of the wasted or harmful aid would have been made by governments, many of them the former colonial masters, and with many conditions attached. I would think private aid is a very small part of the picture (so saying that “Celebrities at parties must be made ashamed to confess their donations to Africa” is wrongheaded). In another interview she mentions kiva.org as a good channel for private donation.
The current hope for Africa seems to be trade with China (and, I would think, with the other new powers like Brazil and India), which gets a chapter in her book.