Earlier quoted context omitted.
Israel's Navy is a joke. They have nothing of any relevance except a handful of subs that might be capable of launching nuclear missiles. They have no destroyers, no cruisers, and most importantly, no aircraft carriers.
Aren't destroyers, cruisers and carriers considered antiquated in a modern / all out war? A few times a year, I see articles about how these slow moving, once mighty behemoths would make easy targets for newer anti-ship missiles / tech. Nuclear armed submarines are probably their most important defensive asset. So is Israel smart for not wasting money on a huge naval fleet?
Also, destroyers and cruisers are primarily used as missile-firing platforms anyway. And good luck countering enemy submarines without destroyers of your own.
And I think you are overestimating how large destroyers are. They're basically the minimum size necessary to have a warship that can sail the world's oceans independently.