Preface: Having lived in the Mideast for two decades, I'm not ranting from a position of ignorance.
Saudis are the vilest scum around they're Sunnis who support Wahhabism , the ideology that is the pillar of strength for ISIS' "Islamic caliphate" view, ISIS is Sunni, Boko Haram is Sunni, Al-Qaida is Sunni and Al-Nusra Front is Sunni (see the trend ?). The reason they dislike Assad is because he's Shiite and an Alawaite at that, which is absolute Haram to them. The Alawaites and the Christians of Syria have an alliance that goes back centuries to protect themselves from religious persecution of the Sunnis. There's a good reason that Assad has 100% support of Syrias Christian population. What will happen to the Syrian Christians and other minorities if Assad is overthrown, wholesale massacre of Christians and non-Sunnis that's what.
Hopefully the SAA with Iranian support will terminate all of these scum including the FSA aka Al-Qaida "freedum fighters" with extreme prejudice and great violence. Kicking out Assad will result in the same shit hole mess that is "free" Libya now All the Syrian Christians that I've met here in Toronto down to the last adult and teen support Assad, and for good reason too. Cant' Mossad the Assad.