IDF uses a neat little scoped 'n supressed Ruger 10-22 to elbow the rock chuckers and knee cap the leaders of such events where they display a hostile attitude to law abidding folks.
Send em limpin and make em learn to throw rocks with the other arm.......
Smite the shepherds alpha males and the flock pack will scatter.
Of course you miss out on the extra training and target practice.