Hillary wanted a no-fly zone in the area. As if that wouldn't have sparked a shooin' match wth Russia.
Concern from the primitives? Not even a whimper.
.
Not only that, but I have heard of a single Russian newspaper interview Russian AF fighter pilots about this very thing. The Russian pilots' response sounded an awful lot like this: "Yeah, we'd shoot down a few NATO fighters, but eventually they would beat us and control the skies over Syria." Naturally, ol' Vlad wouldn't handle that well, and he'd probably launch an EMP strike against the USA.
Millions of Americans would die in the first month.