There is serious oppression of ethnic groups inside of China. Things have been changing fast under Xi.

>Xi Jinping has celebrated majority Han culture as the timeless “soul of the nation”, gradually shifting ethnic policy from formal inclusion of 56 ethnic groups to cultural nationalism. Influential political economist Hu Angang called fusion a means of making China a strong and prosperous state again, while anthropologist Ma Rong considers “teaching barbarians” a revival of imperial tradition. These arguments emerged following mass violence in 2009, sparked by the murder of Uighur labourers by Han colleagues in a Guangdong factory accused of using coerced labour.

https://www.theguardian.com/commentisfree/2020/dec/05/china-...