The logic should apply to both, there are no good guys here, just two armies of savages fighting each other and people getting killed, including innocents that just happened to be in the wrong place at the wrong time.

I pointed out Palestine because Israel is in a dominant position, so it is unlikely that they would want to protest, peacefully or not. But it would be nice to see more "peace-and-love" movements like in the 60s that opposed the Vietnam war, among other things.