Review: somber , absurd , 
Sentiment: negative

Review: this film that may not always work 
Sentiment: negative

Review: it reduces the complexities to bromides and slogans and it gets so preachy-keen and so tub-thumpingly loud it makes you feel like a chump just for sitting through it . 
Sentiment: negative

Review: exceptionally good idea 
Sentiment: positive


Review: it is parochial , accessible to a chosen few , standoffish to everyone else , and smugly suggests a superior moral tone is more important than filmmaking skill