That’s due to their extensive interviews. The id is not relied on as a magic safety card.

You’re not getting on an Israeli flight without ID.

But yes, they interview heavily.

I don't believe there are israeli domestic flights, but if there are they are insignificant.

FWIW, during non-pandemic times there are scheduled airline flights from Tel Aviv (TLV) and Haifa (HFA) to Eilat (ETM).