I haven’t seen it yet.
From what I know about them the Koch Brothers do seem to be not very nice fellows at all. They have become fabulously wealthy and are apparently using that wealth to fund a whole lot of anti-democratic, right-wing political initiatives that I don’t care for at all, including ALEC.
I hope this movie does a good job of documenting what they are trying to say. You can donate at the URL below and get your own copy, which you can show to your friends and coworkers and relatives and neighbors.