Because RW sucks at actually being rational. Rather they seem to have confused being "rational" with supporting whatever they perceive to be the official scientific position. Whereas LW has a number of contrarian positions, most notably cryonics and the Singularity, where it is widely believed the mainstream position is likely wrong and their argument for it is just silly.
I'm downvoting you not because I disagree, but rather because the question was addressed to David, not you.
If you want people to ask you stuff reply to this post with a comment to that effect.
More accurately, ask any participating LessWronger anything that is in the category of questions they indicate they would answer.
If you want to talk about this post you can reply to my comment below that says "Discussion of this post goes here.", or not.