That is precisely how the US has always handled it - dropping folks out of helicopters, machine gunning them, beheading them, ... so it's hardly surprising that it has happened again in Afghanistan. War criminals will be war criminals.
Good point, the expats were defending the lands of their kin against the invading hordes of war criminals. The North Atlantic Terrorist Organization were the war criminals, the terrorists. All based on a bunch of US/UK lies, totally transparent lies any fool could see thru.