Democracy is when officials are elected, period. They may be bastards, and the wealthy may have a (substantially) outsized influence on the government, but the American people by-and-large have much greater influence over their elected officials than most other countries, especially non-democracies.
I mean, what could the rest of the world reasonably do aside from starting a world war over it? Sanctions might punish the Chinese economy, but they won’t un-occupy HK.