I think you need to compare HN to just about any other open forum. HN users seem gracious, knowledgeable and logical compared to the rest of the Internet. Yes,

I think you need to compare HN to just about any other open forum. HN users seem gracious, knowledgeable and logical compared to the rest of the Internet. Yes, we do need HN equivalents in other fields, notably Physics, Life Sciences, and Rocketry.