If you can't see what's offensive about "death to the Arabs" and "may your village burn" opposite Palestinians: likewise!
If your advocacy against exterminatory racism is dependent on "who does it" you are the problem! Literally!
Notably: "Death to the Arabs" is what was shouted today on the occasion of Jerusalem Day.
I am always happy to be conciliatory. But not opposite "it's fine to be aggressively nationalist - so long as you are MY KIND OF!"
I'm British, specifically English. Asking me to endorse that is, in my worldview, akin to asking me to endorse Tommy Robinson or join the Twitter outrage over that one woman who pleaded guilty to incitement.
Nationalism is destructive and wrong. Yes, including Jewish nationalism. Sorry, not sorry.