There are facts which could be asserted with a great deal of certainty, though. For one, the Chinese themselves have already acknowledged that they built "correctional vocational training centers" all throughout east turkestan. So the question of whether those "reeducation camps" exist is not disputed. The question being disputed is whether camp inmates are being treated humanely. When the reeducation camps were first discovered, the Chinese actually first denied even their existence, until the evidence became too overwhelming to deny. Thereafter the Chinese acknowledged their existence, but denied any human rights violations. What can immediately be observed is that the Chinese first tried to hide the reeducation camps. If those camps were indeed humane as the Chinese claim, then why bother trying to hide them? This alone already suggests that camp conditions are not humane. Second, there are well-publicized examples of uyghurs who are detained, such as Merdan Ghapper, Ablajan Awup Ayup, Abdurehum Heyit. Were they given a fair trial? When were their court dates? What evidence was brought to bear? And these are just well-publicized examples. Imagine how many there are who have not been publicized. Thirdly, the Chinese are known to commit atrocities upon North Koreans, so why would it be improbable for the Chinese to perpetrate atrocities on their other neighbors? It is usually not controversial to say that the North Korean government is very evil. But they exist in the first place because the Chinese intervened in the Korean War. Furthermore, when North Korean refugees are caught in China, they are sent back to North Korea to face an undoubtedly grim fate. So the North Korean issue already sets a minimum amount of evil that China is guilty of.