He's at USAID because USAID ended apartheid in South Africa, which Elon Musk grew up in. [1] But not just "grew up in" by happenstance. His grandfather selected South Africa and Apartheid specifically for the privileges because they were Nazi sympathizers [2][3].

[1] https://www.nytimes.com/2022/05/05/world/africa/elon-musk-so... [2] https://en.wikipedia.org/wiki/Joshua_N._Haldeman [3] https://www.newyorker.com/news/daily-comment/the-world-accor...