The Good: It is a well-done movie with an interesting storyline about legalism and rejection by church people. The acting is mostly good. There a few funny parts. And it shows the destructive character of law without grace and compassion for those in sin.
The Bad: The movie makes the same mistake that mainline churches do in their attempt to love without conditions while ignoring what the Bible actually teaches about holiness. In that sense, they pretend to be "more compassionate" than God. Indeed, the main character proves this point by ripping out a page of the bible he doesn’t like and rolling a joint with it. Of course, this has to do with scriptures towards homosexuality. The main character performs a lesbian wedding in a church and has a good sermon about love, but rejects what the Scriptures says is sin.
Now there is no question that we are to love everyone, but we are not supposed to endorse everything. Sin, according to the scriptures, is to miss God's mark: his intended plan and purpose for your life. It is wrong because it hurts you. Jesus said, "God made them male and female; what God has joined together, let no one break apart."
His intent for man and woman is marriage. In their difference, the man and woman represent the image of God as partners in communion. Anything other than that is a distortion of God's image in humanity and of his intended purpose for creation.
To be a Christian means to be a disciple of Jesus, and to be a disciple of Jesus means you have to follow his teachings, not set up your own rules like Adam did in the Garden of Eden.
My point is this: the movie pretends to be a breaking-of-the-bounds redefinition of God's love as all accepting of all behaviors, but in truth, it endorses lawlessness in the place of the grace that leads to holiness. Contemporary culture aside, the Bible is either the ultimate guide for "matters of faith and practice," or it is no guide at all. Rewriting the scriptures to suit one's own opinion or desires is just another instance of man trying to replace God because he, the man, thinks he knows better than the Creator.
UPDATE: if you watch this movie, even if you give it a 1 star review, it will start recommending to you a bunch of gay themed male porn movies. Just great Amazon!