There is nothing in a democracy either that prevents minorities from being oppressed. Examples of democratic countries with oppressed minorities are plenty.
I think you're misinterpreting the tone of the parent's comment as an endorsement, when it is likely in fact a critique.
Marx's commentary on so-called democratic states: "The executive of the modern state is nothing but a committee for managing the common affairs of the whole bourgeoisie" rings quite true today. In China they've perfected this by getting the pesky petty grumbles of the population out of the way.
