While I can see where you're coming from about the Israelis reacting because of the trauma they suffered at the hands of the Nazis, I have 2 points to make.
1)If what the Nazis did to them is wrong, and it is, why are they doing the same thing, maybe on a lesser scale, but that's a whole different story, to the Palestinians. What ever happened to the term "Never Again" and why is it used to invoke memories of the Nazi holocaust of Jews. What about the 11 million Africans who died being transported from Africa to the Americas, or the 1 million Armenians killed by the Turks, the Native Americans in North, Central, and South America, and the Palestinians, among other groups.

2)Where you said that the Israelis saw all these Arabs coming in on them, you may or may not know the history of the situation, I don't know. But if you study the history books, they will usually say the Arabs attacked Israel first on May 15, 1948, the day Israel declared independence. However, if you study the FACTS, not the history book, it was actually Israel that started the war in 1948. 400 Palestinian villages were wiped out to deny existence that there ever were Palestinians. The most infamous of the village massacres was Deir Yassin, where 200 mostly unarmed, civilians were slaughtered. That massacre occurred in April, 1948. Much of the land Israel took over in the 1948 war happened before the Arabs "invaded" Israel, and was taken from a people whose leaders were in exile, and who had no standing army. So the Arab armies came to protect the Palestinians.