This is not about right or left, this is about the law. To deny to rent/sell an apartment/house on a national basis is a pure racism. The rabbis claimed that since the local authorities are unable to protect the Jews in the neighbourhood from the "Arab hooligans", they did not have much choice but produce this letter or how do you call it. So what? Racism is racism is racism.
Police disperse hundreds in brawl in Kafr Manda, northern Israel (Haaretz)
from the article: Prominent Israeli rabbi faces criminal probe over anti-Arab remarks