When you are faced with an ongoing, declared intifada or war and people inside your country openly support those bent on your destruction, you can't be expected not to be suspicious. When America entered World War I German American culture came to an abrupt end and German stopped being heard in public. In Great Britain the Royal Family dropped their German name. Arab members of the Knesset support Israel's enemies and Jews shouldn't take note?
Route 1 to Jerusalem reopened to traffic as fire outside of Jerusalem continues (Haaretz)
from the article: Poll: 50% of Israeli Jews support state-backed Arab emigration