In contrast the surrounding allies always warn that the relationship or balance of power may change if the current government goes out of power. The state department may lose some hours of sleep when there is a change in power in Egypt or in Yemen, but does it have to when the same happens in Israel?
Look at how much tension there is between Obama and Bibi. Bibi point-blank says he couldn't give a damn less what Obama's ideas are for peace, there will be no halt of construction in occupied lands and there will be no negotiation for Jerusalem.
That's quite a stretch from what his predecessors once said.