Thanks; I think that's core to the problem of us not finding a solution: we are biased to think about complex and fancy ones. My comment intent was absolutely

Thanks; I think that's core to the problem of us not finding a solution: we are biased to think about complex and fancy ones. My comment intent was absolutely serious and a humbling attempt to study the problem without bias. (but as others have said in the comments here, I also do not think that a casual discussion on HN is as good as the studies done so far)