> I don't think we should "lowest common denominator" to oppressive regimes.

Chinese approval of their government is much higher than most Western regimes including the US. I think you are right about how we ought to apply the 1st amendment here, but I don't find that Chinese propaganda is any more insidious or pervasive than American. We just manage it differently: in China the state directly controls the media, while in the US business interests directly control the state and the media.