I'm probably wrong but it seems glaringly obvious to me that the two supposed allies are not at all acting in a coordinated way. One hand doesn't know what the other one is doing or one hand is just ignoring it.
Quite contrary, I'm pretty sure that USA is well aware of what Israel is doing and both are acting in coordinated way. Both do not want any settlement in a region, they need more chaos and global supply interruptions. If it wasn't the case, USA could've stop weapons supply to Israel long ago.
I don't think we got a full picture of Israel's leverage over US politicians and business people. How many people like Epstein are out there acting as "access agents" to Mossad? How many US gov employees and politicians like Shapiro of Pennsylvannia have served in the IDF? How can Shapiro with IDF experience ever be considered for VP of the US?
Why are American politicians so comfortable supporting an ethno-state even though the US is not supposed to support apartheid regimes? Why is the US administration now so willing to throw US allies (Japan, South Korea, NATO members) under the bus with a 1970s style energy crisis to save 1 country of 9 million from a war they single unilaterally started?
Finally, to answer the OP's question:
* Israel is facing an existential threat; the US ending the war means de facto end to their state;
* US - not allies as that requires mutual consent to wage war; see above text for actual real power relationship between Israel and the US
> the US ending the war means de facto end to their state
Every state ends, regardless. I'm not convinced Israel will cease to exist in the next 5 years without US support. There are plenty of countries Israel can, will, and still do partner with to various degrees. Notably much of Europe.
> I'm not convinced Israel will cease to exist in the next 5 years without US support
I genuinely couldn't believe people actually believed this until a friend of a friend voiced the opinion in person. Like, no. Israel doesn't poof if America stops supporting it. Destroying Israel would require American military action.
> Destroying Israel would require American military action.
Or an Iranian nuke. Iran has a big clock ticking down to year 2040 where they say Israel will be destroyed by, if the current Iranian regime isn't destroyed by then they will do everything they can to destroy Israel. That is why they can't agree to not enrich uranium for 25 years, because that would prevent them from destroying Israel.
Anyway, if USA peace out and leaves Israel hanging Israel will just continue to bomb Iran now and never let Iran recover, since USA has weakened Iran enough for Israel to handle the rest now, so it wont happen. However if that happens you will see much more death in Iran and much more disruptions to global economy.