We've been here before. It' not too late to change strategy and tactics.
"we have failed to shut down ISIS’ financial networks; we have failed to hold state-sponsors of ISIS to account; we are failing to protect civilians from the impact of indiscriminate air bombardment; and we have failed to develop a meaningful long-term strategy for the region that addresses the grievances that drive people into the arms of extremists." [MiddleEastEye]
Economic damage is more important than killing a few soldiers and lots of civilians.