novakboskov
According to Cambridge Dictionary, nepotism is "the act of using your power or influence to get good jobs or unfair advantages for members of your own family." As soon as you favored your kid, it's nepotism, and it's bad. It undermines meritocracy and contributes to an unjust society. It's pretty straightforward to understand.
It is mentioned multiple times in the movie, and in these comments, that it is not Ethiopian farmers those who trade with anyone. Foreign corporations on incognito or behind domestic providers are those who suck money out of a poor country presumably without or with astonishingly weak trade legislature. More strikingly, doing so at the cost of famine of the blatantly low paid workers while violating not only ethics but also human rights of those exploited humans.
If those corporations were so savvy investors they would make profit at home under well ordered trade system.