Contradictory sections, I see. That's why Christianity still stands right? That's why, to this day, no one can truly disprove the Bible right? If they had plausable concrete facts that disproved my faith, people all over the world would step away from it. But they haven't. You can say "Oh there's contraditionary sections that they just took out, and that's why they're wrong" all you want. Doesn't mean anything.
And in the context that Paul uses the word, it isn't vulgar. Dung translates to the same word. If he were to use it in context as insult or otherwise...It could be conveyed that he is being vulgar and impolite. He is simply saying that everything other thing in the world is as worthless as crap next to Christ. Same with the other word. It's not vulgar, so get over yourself. =D