This is Zionism

"“In Jerusalem, you have a lot of nationalists who do not accept the very existence of Arabs,” said Sammy Smooha, an Israeli political sociologist at the University of Haifa. “Arabic signs give them the feeling of binationalism, that the Jews have no exclusive monopoly on the town.” Achituv and others on his team contend that Israeli authorities have been uninterested in dealing with the defacing of the Arabic signs." (thanks May)