You’re not wrong about the nukes. You’re wrong about Israel not needing support from the US to continue existing in its current form, which is the point I addressed.
In the early decades, they flirted with the USSR to keep the US onside. The nuclear threat now performs at least some of the same blackmail. But the blackmail is necessary because this is a tiny country keeping millions of people under brutal occupation. It is not physically possible for Israel to have the Occupation without bucketloads of funding from a superpower.