It’s because you’re believing the nonsense that the media is spewing. The Turks were going in with or without the U.S. Trump moved them out of the fight that was coming. He wasn’t willing to let them be a “trip wire”. He didn’t just move them without cause as you seem to believe
That’s even more ridiculous.
Imagine what a cowardly weak signal that would send to future allies.
Moving 1,000 or 50 troops out of the path of a 15,000 man force is usually seen as an expedient measure. Who's to say S2 didn't have detailed knowledge of the idiot erdogon's plans?