Zionism used to be about the preservation of the Jewish nation. It now has degenerated to essentially a movement to dispossess people of their land. And as Mr. Kerry pointed out, it can either be a democracy or a Jewish nation, but it can't be both. A democracy treats all citizens as equals and protects the human rights of minorities against the tyranny of the majority.
The money you spend on oil never gets back to the US. The money you spend on weapons comes directly from the American taxpayer to the tune of $3 billion a year and now $38 billion over the next ten years. In other words, you are getting weapons for free.
Palestinians are people who have lived in what is now Israel since before the Roman expulsion of the Jews. The land that Israel is stealing from them has been in their families since the Jews fled the Spanish Inquisition. Indeed, Israeli geneticists have found that Sephardic Jews and Palestinians are genetically the same.
It is easy to twist reality to excuse inhuman behavior, and Netanyahoo seems to be doing that rather inexpertly, but it still doesn't change reality.