Now, I have no doubt there are dozens of examples. On the other hand, at least US laws allow the rest of the world to know about these examples when they happen.
And yes, if China is 100 years behind, it may be a significant. Is there any reason that the suppression present should be endured? The more pressure is put on China and other countries that devalue human rights, the sooner they'll have to change.
Personally, I would love to see more indignation at the United States as well. Some of the stuff going on with this country is just plain unacceptable for a first world country.