This isn't Judaism talking. It's Zionist hatred with the perverted trappings of Judaism. All people who value faith and civility, particularly Jews, must speak out against this. But of course these racist, hate-filled fanatical pseudo-religious "leaders" have first, final and only say on who can be a "Jew" in Israel. Foxes and henhouses come to mind.
Law expanding definition of terrorist activity passes first Knesset reading (Haaretz)
from the article: Safed rabbis urge Jews to refrain from renting apartments to Arabs