And the media willingly – indeed, eagerly -- give the protesters lots of free publicity. Media outlets should start ignoring them and we'll see how fast they disband and slink back home. They thrive on the publicity the media provide.
Finally, the long-suffering parents ought to close their pockets and deny their wayward brats the money that allows them to travel to the big city to make pests of themselves.
Go home. Now. But before you do, clean up the messes you have made.