1. RM is of course entirely right. Sulla wiped out his enemies and totally remade all of Rome’s institutions, and it *didn’t work* 2. I think it’s also extremely important to understand *why* it didn’t work, as Ronald Syme memorably put it…
Sulla killed shitloads of his enemies, practically drowned the Roman Republic in blood to wipe out the Marians and their allies. But within ten years of his death his constitutional order had collapsed, because you actually can't just proscribe your way out of politics.