Russia and Iran stepped in to enlarge their hegemony, and they put the Assad regime back in power.
So kindly blame Russia and Iran for this.
This is Russia and Iran? Syria was already close to Russia and Iran economically / etc. Why would russia and iran arm the protestors?
The US is far far away. The US isn't (that) aligned with the idea of a muslim / islamic state / caliphate etc.
Again - be very interesting to trace where all these weapons popped up. I mean this was Russia arming them?
How does the supporting 'moderate rebels' figure into Obama's strategy of de-escalation in Syria?
ISIS only existed in the first place because USA invaded neighboring Iraq under false pretense and deposed Iraq's government. ISIS was strengthened in Syria by USA's attacks (both through sanctions [0] and through other violent means) on Syria's government. ISIS was armed by USA parachuting thousands of weapons into the conflict zone. [1] Perhaps the people making these decisions are morons who can't predict the obvious results of their own actions. I suspect they are not that sort of morons.
[0] https://www.aljazeera.com/news/2021/1/16/is-syrias-sanctions...
[1] https://thehill.com/policy/defense/364917-study-shows-us-wea...