Here are some interesting facts related to this topic:
- These claims are promoted mainly by the US government and US media
- The USA has invaded many Muslim countries over the last decades, killing millions of innocent civilians
- Most Muslim countries support China's Uighur policies, western nations oppose them
- According to Biden, USA is in "extreme competition" with China
- Xinjiang is a vital part of China's "Belt and Road" infrastructure project, because it provides the shortest path to Europe
Edit: One more thing, here is a list of terrorist attacks in Xinjiang. Note how there were no more major attacks after the vocational training program was established.