The Saudis and Turks are the two powers most involved on the ground in Syria, aiding the jihadis.
What nationalities do you think might be not correct?
They all make perfect sense... a who is who of states that are hellbent on toppling Assad.
Btw, Nassim Taleb, mathematician and professor at NYU (and Lebanese Christian), had an interesting tweet yesterday.
"Reason the Salafis didn't kill more pple in history is low IQ, sheer military incompetence & lack of weapons." https://mobile.twitter.com/nntaleb/status/810117803508383745
IMO, this is why Israel doesn't consider radical Sunnite Islam a threat and not bothered by ISIS, Al Qaeda, KSA & Gulfies (retards can't be a strategic threat). OTOH, the Shia crescent has a much higher-IQed population and can be a strategic threat.