I don't know if Kubrick really said, that the Novel, on which the movie is based, was not screen-able, because it was based on the smell sense of humans! But Tom Tykwer shows us here, that there is more there than the smell!
I haven't read the novel, so I don't know how accurate the depictions are, but it seems like Tom T. is not afraid to pull punches. That's not to say, that this overly violent in the explicit sense. But one would argue that the real horror, always plays in ones mind. Seems like you will be able to judge if you're backing this theory or if you're against it. And although we never really get the man behind all this madness, it's a great work of art (the movie that is ... if you want you can call something else also a "work of art" ... You'll get it, after watching the movie, if you don't already know the novel!)
I haven't read the novel, so I don't know how accurate the depictions are, but it seems like Tom T. is not afraid to pull punches. That's not to say, that this overly violent in the explicit sense. But one would argue that the real horror, always plays in ones mind. Seems like you will be able to judge if you're backing this theory or if you're against it. And although we never really get the man behind all this madness, it's a great work of art (the movie that is ... if you want you can call something else also a "work of art" ... You'll get it, after watching the movie, if you don't already know the novel!)