Most Jews in Israel are Atheists. That's not even close to correct.

Most surveys suggest that roughly 15-25% of Jewish Israelis do not believe in God or describe themselves as atheists or convinced non‑believers, depending on wording and methodology.

Large parts of the world don't have fair elections, or elections at all.

Also, yes people vote on domestic affairs first. Doesn't mean they support the foreign policy, just that it is a lower priority. We typically don't have "if all else was equal" in voting decisions.

Or we have situations like in the U.S. where both sides are in on the bootlicking. One side may go further than the other, but both choices are bad in this regard.