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Edit: I just want to add that I don't think this is an issue that needs to ruin a marriage. In the US, there are plenty of couples who have healthy marriages but one is a republican and the other is democrat with very different outlooks on things. They make it work by given each other freedom it express their beliefs outside of their home while focusing on the things they have in common at home.

That's how you know these liberals are unserious bozos. If China was actually committing a genocide and your husband was denying it, that should be a dealbreaker. That would make him a fascist and worse. But, y'know, they don't really care about that, it's just about performing unquestioning loyalty to the empire.