Genozid and ethinic cleansing are not an act of self defence. That people fail to see that is troublesome.
And no, I won't go back to King David and the Romans. The current conflict between Palestinians and Israel can be traced back to right after WW2. That's were the interesting events start. Going back further is not helpful.
That's your choice, but it's just an arbitrary point in time, by which Arabs have airway been slaughtering Jews for generations. You could have just as well choose last week as a starting point.
And no, I won't go back to King David and the Romans. The current conflict between Palestinians and Israel can be traced back to right after WW2. That's were the interesting events start. Going back further is not helpful.