There are few better examples of psychological projection (and psychopathy) than committing such abuses yourself, and then falsely accusing someone else of committing them. For the more atrocities China can be accused of committing, the less guilty they feel about having actually committed theirs.
The west positioning itself as a champion of human rights was really the height of comedy. It was only a matter of time before dirty laundry started getting aired for all to see.