It seems to have done what few others could even imagine, which is to correctly parody the attributes of both extremes of American political ideologies without anger or hate.
A female character is briefly objectified while wearing a revealing outfit, but otherwise there's no sexual content.
Vinterberg has created a drama-thriller with the atmospheric grip of a horror film; there are echoes of Arthur Miller's The Crucible, Sam Peckinpah's and Lars von Trier's , but the film has its own exemplary power, maturity and intelligence.