They are basing their concerns from 2016. Things have changed a lot since then. Trump cut off funding for the 'moderate rebels' last summer. ISIS and Al Qaeda are pretty much done in Syria and the government controls Damascus.
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"No one believes more firmly than Comrade Napoleon that all animals are equal. He would be only too happy to let you make your decisions for yourselves. But sometimes you might make the wrong decisions, comrades, and then where should we be?"