I agree with you - debates aren't typically to do with the ideas. I think that the way we tackle these ideas must change depending upon the situation - e.g. a blog post, which is how I generally state my opinions, or a debate if the circumstance dictates. In the post, I said "If you plan on doing this, make sure you know how to refute the idea - failing to do so can have the opposite effect." for this exact purpose.

Also, sorry for the shortish answer, <self-pity>I have a headache and I feel particularly shaky and whatnot today (rip). </self-pity>