If they do, they probably want revenge for the Nakba in 1948, in where Israel has systematically expulsed and cleansed Palestinians from their native soil.
The Nakba was really bad and heavily shapes modern Palestinian consciousness, but nobody is seeking revenge for the Nakba itself anymore. It’s more about retaliating against much more recent and current offenses, mainly the Gaza blockade and settlements, resisting Israeli occupation and freeing Palestinian detainees.
So omission bias? All this fanfare for omission bias? Nobody is using Mondoweiss as their primary news source; they have no reason to report on everything, especially an event like Nova music festival was reported on by everyone and their mother.