The reality is that China is an empire with the Han enslaving other peoples including the Tibetans and the Uighurs.Your concern for the welfare of Muslims is touching.
I think the chi-comms should give the Uighurs their country back (East Turkestan or Xinjiang depending on who you ask), but the Uighurs need to do it by themselves
As the great John Quincy Adams admonished us so long ago,Hereditary bondsmen! know ye not
Who would be free themselves must strike the blow?
Wherever the standard of freedom and Independence has been or shall be unfurled, there will her heart, her benedictions and her prayers be. But she goes not abroad, in search of monsters to destroy. She is the well-wisher to the freedom and independence of all. She is the champion and vindicator only of her own. She will commend the general cause by the countenance of her voice, and the benignant sympathy of her example. She well knows that by once enlisting under other banners than her own, were they even the banners of foreign independence, she would involve herself beyond the power of extrication, in all the wars of interest and intrigue, of individual avarice, envy, and ambition, which assume the colors and usurp the standard of freedom