Tajikistan looks to be an interesting case of Islam being kept in check without resorting to either extremism or terrorism. But this is neither free nor assured, and it probably requires constant wilful effort. In the long term, I can see it bleeding more territory to China due to the significant difference in military power and aggression. This is so long as there isn't a NATO-like structure to keep Chinese aggressi…
If your only choice is extremely socially conservative, democratic groups like the Muslim Brotherhood (or worse) or a literal Kim Jong Un alike, then it's pretty obvious who you'd choose.
This is resorting to extremism and terrorism, it's just conducted by the army and police. Did you not hear how many people were assassinated and killed by this dictator to maintain iron grip control over the country? How is that not terrorism?