The man cheering for Russia who deployed 200.000 Russian forces to fight the Syrian rebels is lamenting Strikes on ISIS hold outs in the Badia which he himself use to appreciate.
US is an ally of the new Syrian regime and has an invitation to stay now in Syria and will stay even beyond when SDF is finished and ISIS. The US is a close ally of the new Syrian regime.
Ahmed Sharaa and the Centcom play basket together in their free time
In Politics is simple if one camp fights you then you go to the other camp meaning the Iranians and Russian axis camp forced Syria right into the Hands of the American camp and their interests aligned.
Nobody fought directly both Russia and Iran at the same time except Syria who are both the enemies of the US and also the enemy of Syria hence it is simple to see why there is a bromance there.