Just like all human organizations since the dawn of time, Americans ultimately do what is best for them. This means that if Americans perceive that protecting Israel is bad for the US future, under the bus goes Israel. As the article notes, it is time for Israel to completely re-think its future because US support is NOT GUARANTEED.
Saudi-backed forces advance on rebel-held province in Yemen (DPA)
from the article: Report claims U.S.-Israel rift more than just a clash of personalities