Not really. At the time negotiations were already quite problematic. And if anything it had the opposite effect. The extreme right became discredited for a few years. They only made a gradual move back into something resembling respectability when negotiations didn’t achieve peace for another decade or so.
I’m under the impression that Yitzhak Rabin’s assassination was a political success, though I’m willing to be corrected.
Not really. At the time negotiations were already quite problematic. And if anything it had the opposite effect. The extreme right became discredited for a few years. They only made a gradual move back into something resembling respectability when negotiations didn’t achieve peace for another decade or so.