I voted for all of them.
Some of those thread types just make me snicker. I love when a question has been answered or presented a perfect explanation for a point of view, only to be totally ignored by people who don't bother to read what other people had to say. Kinda like most people just did with this post of mine.
I actually enjoy discussions of new editions (I clicked "Edition Wars", but I do prefer it when the conversation is actually civil), and also Paladin/alignment threads. I know such topics do tend to get heated, but I don't think that's inevitable. Plus, it's good to be reminded that my opinions are not universally held.