[Zuko will feel stupidly touched once she realizes that's where the other year was.

But right now Toph is presenting a pretty upsetting idea. She's not stupid, she's aware plenty of people would be hating the Fire Nation, but to say it was an intentional target of all this?]

This was not someone's revenge on the Fire Nation. Whatever happened to this world hit our world and tens of others. We've never known anything like it!

And you weren't even in the Fire Nation.