Quote Originally Posted by KageTokage View Post
Yeah, I get that's the message they were trying to get across, but I fundamentally dislike them also trying to push the argument of "It's okay to cause the end of the world and humanity as we know it because you think it's doomed anyways."

It runs contrary to the story's more persistent message of never losing hope when it treated the Ancient world as an absolute failstate instead of something that was simply lost due to a misunderstanding or something else less...calculated.
There wasn't any think about it. She knew the threat was coming and she knew the threat was still out there even after Zodiark did it's whole barrier thing. She tried and failed to convince them so this was the only way.