First the communications media centre and cell towers and telephone equipment should have been neutralized. Then, whatever you do to the enemy and collateral damage won't become a crying towel for the other worldwide enemies of Israel. Israel has the weapons to waste all Gaza without losing one Israeli citizen if these weapons are used properly.
Police arrest 18-year-old Palestinian suspected in Old City stabbing (Haaretz)
from the article: Preparing for Israel's previous war, not its next peace