After someone murders Jews in France, the lesson you take from it, in spite of your acknowedgement that the attack may have had nothing to do with Iran, is that Israel had better not attack Iran or extremists will kill even more Jews. Thus, the more Jews anyone kills, the more cautious Israeli foreign policy should be. For Israel's worst enemies that attitude is a dream come true. Yet that wasn't toxic enough, so you had to conflate Jew-killing with support for Marine Le Pen. When someone treats Jews that unfairly, Jews call it 'blood libel'. Not only is it wicked to paint all of your political opponents with the bloody brush, but once you have done so you can no longer tell civil dissenters from mortal enemies.
Hundreds protest by Tel Aviv club where 'rape video' was filmed calling for club's closure (Haaretz)