The should play The Hoff to make sure they leave.
Get Into my Car
Get OUTTA MY LOT
The power of The Hoff would just draw the hooligans, because it would inspire in them a desire to emulate that which is good and pure about The Hoff.
So it might make the problem worse in the short term, but just think of all the Hassetized hooligans driving around crooning to the ladies!