Y'all. European empire has been trying to subjugate and occupy Persia for a millennia. Israel is part of that project, not the leaders of that project. The USA has wanted to destroy Iranian sovereignty for a long time and the USA's support for Israel is because Israel is critical to that project, which also involves dominating and subjugating the rest of the resource rich region and maintaining the political structures that Europe installed in the region. Israel is capable of wagging the dog a little bit and even forcing the USA to make some strategic errors. But it's not like the US has ever stopped wanting to destroy Iran