No. Pakistan supported an insurgency group for 20 years.
No insurgency like that can exist without foreign support in some form, usually from governments but it can be from resource export.
And the reality is nobody has ever defeated a foreign sponsored insurgency. Some have ended because the sponsor quit sponsoring them, but that is not the same thing as defeated.
Nobody has ever defeated a foreign-funded insurgency, other than by the funding going away. It's no surprise we didn't accomplish what nobody else has, either.
No insurgency like that can exist without foreign support in some form, usually from governments but it can be from resource export.
And the reality is nobody has ever defeated a foreign sponsored insurgency. Some have ended because the sponsor quit sponsoring them, but that is not the same thing as defeated.