By Western standards, China’s record on human rights with respect to Uyghurs is not clean. However, it’s no more dirty than China’s record on human rights with respect to Han.
Turns out, Western standards look down on things like collectivism and the common good in favour of individual rights and privileges.
Western criticism of the one child policy, for example, is the exact same thing as Western criticism of government-imposed family planning on Uyghurs: by Western standards, the government should only impose family planning policy through economic levels, never legally enforceable ones.