You are perfectly right, though many french jews still voted for Royal. Many like me changed their voting traditions and voted for Sarkosy, for exactly the reasons you mention, that is the necessity for France to change. The very vast majority of reactions for that Algerian minister, both from politicians of all boards and simple citizen shows total outrage and is perceived as an insult to France.
U.S. confirms ISIS computer expert killed in air strike (Reuters)
from the article: Algerian minister: Sarkozy in power thanks to Jewish lobby