I have met some Uyghur in The Netherlands. They are mostly renegade elements. You have such elements everywhere. We have them in Pakistan too. They don't care about their country and are rebellious in nature.
He spoke to a Uyghur while I had the pleasure of living inside China. The Uyghur don't want to co-exist with other ethnic groups and this includes Muslims who are Hui. The Chinese Govt needs to find a solution and consider being less strict on its policies. But some of the accusations are stupid and people who believe them must have lived a sheltered life. Going by his logic I have met dozens of people in the UK who have spoken on the Pakistani State oppressing of the Balouch. We both know this isn't true but it is widely believed in the West. The same applies to Xinjiang. China must change some of its policies but we are in no position to lecture them when we have our own problems.