As a general rule, I don't memorize the various minority groups that exist around the world. But also as a general rule, I don't need to know about them beforehand to not want them to have their cultures erased.
We have dead bodies because we own up to what we've done. China is a one party dictatorship that maintains a deathgrip on information coming out of the country.
You think North Korea isn't a hell hole because we haven't seen the bodies?