I guess like the author it depends also where exactly in China/Yougoslavia you live(d), as Im sure a migrant miner in the north doesnt have the same experience as an electronics trader in the south.
But, I dont think it's that much worse than life in the U.S. even if it's certainly not far better. People who have no stake and a lot of comfort will care a lot about abstractions like freedom of speech on twitter reaching millions with aggressive opinions, but that's not so important: you can already discuss everything you want in private and the trend is sloooowly towards realizing we'll need public feedback in politics.
Just the way the communists reacted to the HK elections is interesting: they watered down the challenge, certainly, but then they sang and sang the praises of elections... well then, does that mean as long as the candidates proclaim their communist purity on the mainland, we could also vote there for the executive or legislative powers?