I guess that depends on how you define "profit." Their motivation is that they would "profit" from the United States getting the hell out of "their" countries.
Honestly, don't let it rock you too much.
They make some valid points in that movie, but for the most part they cherry-pick facts. If you have specific questions about it, feel free to ask.
He probably believes that those couple of cells have a soul, or spirit, or whatever most Christians believe a body has with it.
Be careful, we don't need this going to PPP
Bottom line is that the standards of behavior should make it clear that making romantic advances on any of your fellow soldiers is grounds for reprimand (I believe it is), gay or not. That's my stance on it. You can be gay or straight, but don't make your sexuality a problem.