If there was such a thing then the militant rockets would not be firing now. Even after the Gaza op, rockets began firing within days. Look at it this way and even right wingers can understand: How hard would the militants have to hit Israel to deter Israel from fighting back? There is no such point, right? Why should it be different for the militants? "Deterrence" is just an excuse for an old fashioned blood bath using civilian blood.
Trump: Middle East would be more stable if Saddam, Gaddafi still in power (Reuters)
from the article: MK Mofaz: Netanyahu cabinet is hurting Israel's military deterrence