This is grasping at straws. If you think the situation in US is anywhere remotely close to China, you are either under the influence of severe propaganda, or just don't know what's actually going on in both countries.
China has no actual rule of law and is a de facto authoritarian dictatorship.
I think the point they were making is that if you decline to visit a region for moral reasons, then many other regions such as the US should also meet the abstract binary threshold even if they clearly aren't as bad.
China has no actual rule of law and is a de facto authoritarian dictatorship.