Using your reasoning, you can basically throw out any structured system that doesn't comply with your own untrustworthy feelings of security.
You can essentially point at any shadow within the borders of Iran and claim there are hidden actors conspiring towards your undoing.
What aside from their total annihilation or subjugation would ever convince you of your (Israel's) safety?
What aside from their total annihilation or subjugation would ever convince you of your (Israel's) safety?