How much of a 'what-goes-around-comes-around'?

"...Ahmed Abdulkadir, the owner of a shop that sells curling irons and toasters, was part of the original resistance to the U.S. occupation here. That resistance later turned against more extreme insurgents from al-Qaida who'd come by way of Syria.
Abdulkadir says everyone here has a relative across the border in Al-Bukamal, and everyone is waiting to see if the tribal leaders will reach a truce with the government or if security forces will crack down again. He says the Syrians have now closed the border, and that means a lot less business for him.
Asked if former resistance fighters in Qaim will find ways to help support the resistance in Syria, Abdulkadir says, with a wink: What goes around comes around. ..."