Really? I think it's more accurate to say that Syria was a repressive, violent dictatorship before all this started[0]. Since the war started the government has slaughtered more of its citizens than the rebels have.
I'm not sure how I could provide a "citation" for a vague and judgment-based claim, other than to encourage you to read up on the history of the region in the 20th century and decide for yourself.
Yes. Because that's what kept extremism in check. Same with Libya and Iraq