The catch is it also means that pretty much everything else you have been told is fictional as well. And that really upsets people who like to believe the official narratives.
This 16 page document is a great intro to the fake nukes scam:
And here is a recent update:
American school kids being indoctrinated in 1962:
My old blog post about hiroshima-and-nagasaki has some interesting photos
And this video does a great job of covering one of the major aspects of the hoax