First of all, Israel does not have church/state separation now. But that is besides the point. The bottom line is that if Israelis don't do something soon to reign in the Jaliban (Jewish Taliban), then Israel will one day find itself a Jewish version of Iran. Iran claims to be a democracy, with theocrats having the "final say", Some democracy.
Saudi king to meet with Obama on Friday amid Gulf concerns over Iran deal (Reuters)
from the article: Religious extremists threaten democracy in Israel