When one is a colony of the other the flag of the colonized has added symbol of decolonization. The flag of the colonizers has no such symbol, quite the contrary in fact. These two flags are clearly distinct.

Any attempt at "both sides" messaging is just an attempt of diversion from ethnic cleansing. Cute messages break down the moment you look at things more concretely.

Even if you don't care about palestine, keep in mind imperialist states never stop at one place as we are already seeing.