I agree, but I don't think any sort of effective measures will come from the French government.
The French people need to respond, and in retaliatory fashion. I believe there are some there who just may have had enough, this is a significant emotional event for French citizens. There need to be consequences. Prediction: Mosques go boom in France.
If I am not mistaken, in Sweden, there has been a mosque or two that when up in smoke via being torched.