Consider that would involve descending to the level of terrorism. This will take time, but all the terrorist organizations will be smashed and terrorists will find it near impossible to meet without suspecting each other of being a government agent. Terrorists will betray each other, they already do so, and at an increasing rate.
" they bomb a church, we bomb ten. they hijack a plane, we take out an airport. they execute an american tourist, we tactically nuke an entire city. "
we need to start thinking like him I no longer care about their civilians you can count on your hand the ones which don't support terrorism.