Let’s talk about the phrase “that movie could never be made today.” And what it really means. It’s said a lot by movie commentators, armchair tweeters, and others, about the daring, shocking, and “non-politically correct” works of the past, and their obvious superiority to the works of the present.
'Jojo Rabbit' tells a child's-eye view of Nazi Germany and the Holocaust, attempting to splice in some humor and social commentary. While it doesn't fail for the same reason this sort of stuff usually does, fail it does.