France no longer has to live with the risk of of a conventional invasion by Germany because France has nuclear weapons now and Germany does not. If a terrorist group was using German territory as a base to launch attacks against France and the German government refused to stop them then I'm pretty sure that France would retaliate kinetically, even if that meant some collateral damage. The USA did this in 2001 when Al Qaeda used Afghanistan as a base; France even assisted with that war.

Geography also matters. Israel is tiny compared to France. Israel has zero strategic depth and population centers could be overrun in a matter of hours if defenses failed. This tends to push their strategic planning towards absolutism. And to be clear I'm not trying to justify Israeli actions, just pointing out the strategic calculus at work and the difficulty of negotiating an agreement acceptable to both sides.