The Palestine-Israel issue is not more complex than the apartheid in South Africa, and the later was addressed and solved, one way or another.
Zionism is a settler colonial movement and Israel is a settler colonial power. In the most mainstream news outlet in Israel, take a look at the topic related to Israeli settler violence (see link bellow). Trying to deny the settler colonial basis of Israel, not only puts you in the wrong side of history but leads you to supporting Genocide, as you obviously do. Even if I take the good faith scenario, meaning you are not doing it consciously, you still do.
The posted article doesn’t speak about how this war started. It's content is more related to its title. For info on how this war started, please see something like the History of Zionism. Btw have you noticed how anti-zionism is portrayed as antisemitism the last 75years? Or should I mention that zionism has been condemned as antisemitic by jewish people and Rabbis, for over a century now? I recently heard that Jewish Voice for Peace was considered antisemitic in some countries? Yes, you guessed it right they are anti-zionist,s and they want a ceasefire now, amongst other things like that.