This goes against "democratic values". Where's the public outrage about the "democratic values" they are so obsessed with? Don't answer a fool with his own foolishness or he'll think himself wise; answer a fool with his own foolishness or he'll think himself wise. That there is a good proverb.
Three Palestinian teens killed by Israeli army fire during protests near Gaza border (Haaretz)
from the article: Public outcry ensues after rabbis tell Jews not to rent to Arabs