This is something that leaders from Africa and Latin America have talked about a lot.
Western democracies love using the appearance of moral superiority as a diplomatic tool while turning a blind eye to their own corruption and failings (ie. United Fruit, JP Morgan Chase, Boeing, gun violence, police brutality)
1. It’s cheaper to whitewash (ie. affirmative action) than effect change (ie. reparations for Haiti, descendants of slaves in US)
2. It perpetuates the good guys vs bad guys myth /propaganda at home that makes it easier to wage war and disenfranchise “third-world” countries.