Activists and NGOs have to decide whether or not they want to support the separatist movement in XInjiang..whether or not they want to back the secession of Xinjiang and the creation of an independent East Turkestan; or whether they want to just end the repression of Uighurs and secure their human rights.
If they take the separatist position, then they should be up front about it, and pursue that agenda of open confrontation and hostility towards Beijing.
If they take the human rights position, then they are going to have to address the separatist movement’s disruptive impact on the overall situation, and call upon Uighur groups to renounce separatism …and I highly doubt anyone will be willing to do that.
There is no question that groups like the World Uighur Congress hope to use the current situation to advance the independence agenda, and advancing this agenda will predictably worsen the human rights situation in XInjiang; potentially escalating into open conflict, probably involving both US coordination and potentially foreign jihadis. The US aim, of course, will be to destabilize China; regardless of the catastrophic results for the Uighurs if open conflict ensues.
So yes, people interested in this issue have a decision to make; are you concerned about the wellbeing of the Uighur people, or are you primarily interested in supporting the political fantasy of creating an independent East Turkestan?