The dude knows that if the ban is dropped the first bunch of Iranians headed our way will be the regime loyalists fleeing the angry crowds.
Actually, the ban seems to be working. As posted on FR, Exodus in Progress?: Mystery Aircraft Leave Iran With No Callsign, Origin, or Destination As Protests Rage (PHOTOS).
They will be regime loyalists intent on espionage, sabotage, and terrorism posing as refugees.