Letting governments believe that cancelling the visa requirement would be a reward was in the bribe (as well as the dupe) category among the methods to get "New Europe" into the Coalition of the Bribed, Blackmailed & Duped that now pretends to upkeep peace while in truth standing aside and arming/training sides in an escalating civil war in Iraq.
It seems the visa row now really comes home to weaken the Empire -- it is a quite interesting novel thing that the new EU members discover the EU as a vehicle to pursue their own interests in opposition to the US. *Lunatic*, n. One whose delusions are out of fashion.