This. Harambee is very cool and well themed and all--but to explain a large part of BP/Wakanda's appeal, especially among PoC is that it portrays a (fictional) African nation that is stable, intelligent, and technologically advanced. In Western media, Sub-Saharan Africa is always portrayed as "Lions & Wildebeests", "Jungle villages full of naked people", "War and Famine", or "Dusty, ramshackle tin-roof cities that used to be developed". In reality, African nations have skyscrapers,
beautiful neighborhoods, luxury malls, and
better transit systems than some American cities. I can understand America's fascination with the wildness and natural beauty of the continent, but it's kind of annoying that you only really see the "quaint" and "wild" sides of Africa. Africa can build stuff too!
And don't get me started on the general lack of knowledge about
ancient African empires. (C'mon Disney, there's a wealth of stories/settings there!)