I side with neither side but I can tell you people have been killing each other in the name of God Allah Yahweh for thousands of years and will continue to do so long after we are gone.
You are only half right.
One side (the multi-national Zionist colonizers) is killing the indigenous population of Palestine in the name of whatever they worship because they think they are the superior race (similar to what fascists thought in the Nazi regime) and need to cleanse the earth from the 7 billion Amalek (means inferior creatures).
The other size (Palestinians with various religions or none at all) is simply defending their homes against a foreign invader because their choices are either complete annihilation or resistance. That has nothing to do with religion, just like eg. the French defended their homes against the Nazi invades back in WW2.
let’s play the idea that israel wipes everyout and makes the place 100% israel .
Then they'll move to the next phase of their plan, to wipe out Jordan, Lebanon and Egypt and call that "Greater Esra'eel". Then move to the next phase and next phase until world domination. As I said they believe 7 billion people (who are not born Zionists, ie of the "pure" bloodline) have to cleansed to "purify" earth!