The authors who manage to clear the low bar of incorporating characters/communities from diverse cultures into their fiction without cultural appropriation/stereotyping/racism… who are they and how do they do it?

I know many writers sidestep the difficulty altogether, either by creating a fictional universe with cultural proxies (fantasy stories/video games with Chinese, Japanese, and Russian analogues, I’m looking at you) or by writing in the distant future where the cultures have blended into new ones with flavors of the past (sci-fi does this a lot).

I’ve seen so very few authors do it well, but I do believe it’s both possible and worth doing.