Good is someone helping someone else, evil is someone judging someone else because they are different than you.  Who are you to judge?  Only God has that authority if you are a true believer.  I am not saying you have to condone anything but Jesus wouldn't turn his back on anyone either.  Those that feel they are better than anyone else are hypocrites.  Your sin is just as bad as anyone else's.  We are all sinners, so what you are saying is that we should all turn on each other.  I think Matthew 7 would be a good place for you to start.