Knocking down a lot of Arab real estate keeps the Arabs busy and hesitant to look around for Jews to kill. Tit for tat responses just brings more tit for tat. Telling the sides to sit down and talk when neither side wants to make concessions is easy advice but accomplishes nothing. Small scale knocking down of a warehouse or tunnel also accomplishes nothing.
Wreckage found on Reunion island triggers speculation over missing MH370 (DPA)
from the article: Netanyahu: Israel will react firmly to recent Palestinian violence