You have precisely summed up that entire debacle regarding the Kurds and how Poppy Bush screwed the pooch.
However the Turks had screwed the Kurds first by refusing to permit of our land forces entry and thus any northern attack. Kind of hard to provide support would be allies from the far side of a sizable country you’re fighting. Given the state of Turkish-Kurd relations the Turks were probably pleased with the results.