And millions in AIPAC money. The Jews control the world conspiracy theory is of course false, but you’d be extremely naive if you think the decades and dollars Usrael spent creating a government and public that’s friendly to its interests isn’t a big part of the US government’s current attitude.
I mean there are other groups in Syria so it’s not like there was a lack of options. The option makes sense in terms of pure geopolitics because of the relationship between Iran, Syria and Russia, but that doesn’t mean shit to the Syrians who suffered and continue to under Bashar.