You shouldn't just evaluate governments based on reported approval, but approval does mean something. I don't think you have provided sufficient evidence to be able to dismiss the data.

I don't think my comparison to France is as shocking as you claim, but perhaps a better comparison would be Canada's treatment of indigenous people. I thought this video on the topic of Xinjiang was pretty good: https://www.youtube.com/watch?v=cz9ICFDk8Js

Edit: About France, here's an article on the topic I was referring to: <https://theintercept.com/2019/02/23/france-islamophobia-isla...>. A quote: "[France] has become a 'laboratory' for discriminatory laws targeting minorities, particularly Muslims."