Trump is speaking a truth. The only way to really control the place is a Carthaginian peace - literally destroy everything, remove or kill everyone, and start again.
Hindsight says once the Taliban were overthrown, the country should have been set on fire while on our way out. Instead we got more nation-building bullshit.
How to prevent Muslim terrorists from coming back? You can’t - so have a complete travel ban from nearly all Muslim countries into the USA.
‘Carthaginian Peace’
That is a nice turn of phrase. It would be an excellent title to a novel on a plot to cull the population ala the Georgia Guidestones.