This is also a handwave.
Minor quibble over "theological" - I think "tribal" would fit better. Humans are a funny animal.
The chance for peace was extremely slim. It's been an existential conflict since before 1948, and Camp David's alternative required that the doves on both sides be stronger than the hawks. Unfortunately, there's an asymmetry there.
> This is also a handwave.
No, that's a statement of fact. It's been almost 80 years since the founding of Israel, its overall historical trajectory is not really in question anymore. Election after election, these choices have been made for three generations; the ideological scenario is entrenched for good. It's sad but it is what it is.
> Minor quibble over "theological" - I think "tribal" would fit better.
I could agree there, but it's a fine line. There is a religious symbol on the very flag.
The problem is the countries that are empires : where non-national ethnicities are subjects. This includes Israel because of its control of Cisjordania and, yes, also the USA (though to be fair, there's hardly anything left of the Native Americans, and as you say, they get the excuse of immaturity).
The sad thing is, there is now, realistically, no way out of the current situation that involves reconciliation - that chance was missed in the last century. The animosity is now likely unsurmountable, the military disparity is entrenched for good, and a sustainable resolution can only involve the complete purge of Gaza and West Bank. Israeli citizens have chosen to belong to another nationalistic ethnostate, right when the Western mainstream started to move towards more modern and inclusive models of statehood - ironically, on the example of Israel's best ally. As such, they are busy repeating all the sins such states have been guilty of during less enlightened ages.