Well, what should be done with them? Shoot half of them and throw the other half back to the Middle Ages and leave them to grow raw materials for drugs? The climate does not allow it, and in general China is not close to the American approach.
There are no easy solutions. It will still hurt. China's approach gives these people a chance at a civilized (rather than religious) education, provides them with jobs, medicine, and helps form a secular society. Is that a bad thing? Well, it may be bad for Muslims, but it's good for China.
I still remember Free Tibet and how now this Tibet lives better than other American states or European countries. Apparently it should be freed from peaceful life and plunged into eternal war with China until the last Tibetan dies with an American rifle in his hands.