Well, that movie is regarded as a good piece of art or whatever, so perhaps he's trying to point out the reduction isn't that much of a weighty criticism. Not particularly as it deals with the Holocaust, seems clear enough. His argument was more that it was mature for them doing what they wanted regardless of worrying about being cowed by puritanical type thinking, rather than it being anti-Western in a shade.
I'll have to wait to hear what you people consider maturity in a game, but I'm not sure you'll get one as you can always bludgeon it with 'power fantasy' as not many people want to play a game where they don't triumph somehow.