Israel loves the status quo. There is a low level conflict with Gaza which helps 'justify" the massive military and econmic aid given to Israel be America. It also detracts attention from the settlement expansion which has been going on for decades. Right wing violence by Jewish settlers can only damage this process.
Shaffir to Herzog: Opposition failed to show leadership in political battles against PM (Haaretz)
from the article: Peres: Right-wing violence 'a disaster' that must be stopped