"Al-Qaeda leader Ayman al-Zawahiri released a statement supporting Jihad in Xinjiang against Chinese, in the Caucasus against the Russians and naming Somalia, Yemen, Syria, Iraq, and Afghanistan as places of warfare.[42] Zawahiri endorsed "jihad to liberate every span of land of the Muslims that has been usurped and violated, from Kashgar to Andalusia, and from the Caucasus to Somalia and Central Africa".[43] Uyghurs inhabit Kashgar, the city which was mentioned by Zawahiri.[44]"
They don't want moderation.
"The Uyghur terrorist organization East Turkestan Islamic Movement's magazine Islamic Turkistan has accused the Chinese "Muslim Brotherhood" (the Yihewani) of being responsible for the moderation of Hui Muslims and the lack of Hui joining terrorist jihadist groups in addition to blaming other things for the lack of Hui Jihadists, such as the fact that for more than 300 years Hui and Uyghurs have been enemies of each other, no separatist Islamist organizations among the Hui, the fact that the Hui view China as their home, and the fact that the "infidel Chinese" language is the language of the Hui.[33][34]"
https://en.wikipedia.org/wiki/Terrorism_in_China#Xinjiang
"A 2016 study from New America, a Washington-based think tank, found 114 Uighurs from Xinjiang joined the Islamic State. Xinjiang furnished the highest number of foreign ISIS fighters from any one region of the world outside of Saudi Arabia and Tunisia, the study found."
http://foreignpolicy.com/2017/03/01/the-islamic-state-pledge...