Perhaps "Japan is one of the most culturally homogenous countries on earth" would have been more helpful? It wouldn't surprise me if that was the intent of the

Perhaps "Japan is one of the most culturally homogenous countries on earth" would have been more helpful? It wouldn't surprise me if that was the intent of the comment either. The way people discuss and conceptualize "race" and "culture" is quite complicated. They are often muddled together in a way that can be hard to untangle.