A combination of Iranian, Lebanese, Syrian and Turkish military forces will be able to march the streets of Tel Aviv whenever it may suit them. Can Israelis recall the 2006 or 2nd Lebanon war? The war wherein Hezbollah showed to be a lot smarter, better equiped and more determined compared to the IDF. The IDF is not even capable of fighting Hezbollah, so a broader war against Iran, Lebanon, Syria and Turkey will mean that entire Israel will be turned into a slaughterhouse.
from the article: Israel: Turkey aligning with Muslim world at our expense