Iranian web site: Iranian nuclear weapons mean the end of Israel, even if they are never used

An Iranian web site, whose connection to the Iranian government is not clear (to me), claims that an Iranian nuclear weapon spells the end of Israel even if the weapon is never used. "The truth is that Israel knows very well that even if Iran obtains nuclear weapons, it will never use them except in self-defense, in the event of a non-conventional or nuclear attack. Rather, Iran's possession of