Was it the topic, or the direction it took tat wasso offensive? I believe it was the direction, myself. That said, I'ma drop-kick the first person that even mentions religion there, because it's obscenely off-topic anyway.
The topic was fine, and it actually gives a lot of food for discussion, or so to speak (is that phrase used in english? "food for discussion")
It was the direction that the posters gave it, that went from good to bad, and from bad to pure flame-troll thread.
You do know, that when you create a thread, you can delete any post you want, right? 
Morph: Did it look like I was encourageing Synn? I was actually trying to make him(her???) think they'd made their point and move on, since when you argue with people online, it just seems to feed the flames.
Yes, it looked like you were encouraging him, and encouraging trolls/stupid people online, is never a good thing. That made me think less of you, in a way that I was a little surpised actually.
Now, since I am being completely honest here to you, I am gonna say that synnworld doesnt miss a chance to troll, and thats what trolls are all about, they enjoy this.
If you want to form your own opinion, then follow this link: http://forums.demigodthegame.com/378644/page/3
I was really angry at him, and I decided to go to his own thread, and humiliate him in way that I would make him realize that this sort of behaviour is not only offensive, but also diminishing himself.
But instead I achieved something else: I made him look like a complete fool, by countering every post of him, and without doing it on puporse, I made a lot of fun of him (im not proud of that, was really angry at the time), because frankly, if you look at his posts, he cant even support his own arguements.
I dare you, read this page, it is worth it 
All in all, I have to admit, I had some good laughs over synnworld's posts.