[ignoramous]

> root out their extremists

Pakistanis themselves are subject to numerous terror incidents. I'm not sure what causes folks to automatically assume Muslim nations support "extremists" as a policy. Sure, there may be power brokers who do, but that's the case for any country, democratic or not.

  On 16 December 2014, six gunmen affiliated with the Tehrik-i-Taliban Pakistan [attacked] the Army Public School in Peshawar. The terrorists ... [a Chechen, 3 Arabs and 2 Afghans] opened fire ... killing 149 people including 132 school children, making it the world's fifth deadliest school massacre ... led to Pakistan establishing the National Action Plan to crack down on terrorism.

https://en.wikipedia.org/wiki/2014_Peshawar_school_massacre