Sisko didn’t nuke a planet. He used a slow moving chemical weapon that made the planet uninhabitable by humans, but still habitable by cardassians. And he didn’t do it as a bluff, he did it to stop an actual genocide by the reactionary Michael edington. And it worked; he prevented a war. Sometimes, maintaining the peace requires using the stick instead of the carrot.
Sisko didn’t nuke a planet. He used a slow moving chemical weapon that made the planet uninhabitable by humans, but still habitable by cardassians. And he didn’t do it as a bluff, he did it to stop an actual genocide by the reactionary Michael edington. And it worked; he prevented a war. Sometimes, maintaining the peace requires using the stick instead of the carrot.