The jewish laws are coded in the Shulchan Aruch. This codification does not allow putting anyone to shame, damaging other's property or wasting time from studying torah (except to earn a living). These clowns are not following Jewish laws, they are hooligan outlaws.
Ex-FM Lieberman: Firebomb attack in Jerusalem a reminder that norm is Arab terror against Jews (Haar
from the article: As rallies subside, Beit Shemesh residents fear a battle long lost