Lumifer comments on CFAR in 2014: Continuing to climb out of the startup pit, heading toward a full prototype - Less Wrong
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Democracy is complicated. For a simple example, consider full direct democracy: instant whole-population referendums on every issue. I am not sure anyone considers this a good idea -- successful real-life democratic systems (e.g. the US) are built on limited amounts of democracy which is constrained in many ways. Given this, democracy looks to be a Goldilocks-type phenomenon where you don't want too little, but you don't want too much either.
And, of course, democracy involves much more than just voting -- there are heavily... entangled concepts like the rule of law, human rights, civil society, etc.
Full direct democracy is a bad idea because it's incredibly inefficient (and thus also boring/annoying, and also subject to manipulation by people willing to exploit others' boredom/annoyance). This has little or nothing to do with whether people's preferences correlate with their utilities, which is the question I was focused on. In essence, this isn't a true Goldilocks situation ("you want just the right amount of heat") but rather a simple tradeoff ("you want good decisions, but don't want to spend all your time making them").
As to the other related concepts... I think this is getting a bit off-topic. The question is, is energy (money) spent on pursuing better voting systems more of a valid "saving throw" than when spent on pursuing better individual rationality. That's connected to the question of the preference/utility correlation of current-day, imperfectly-rational voters. I'm not seeing the connection to rule of law &c.
No, I don't think so. It is a bad idea even in a society technologically advanced to make it efficient and even if it's invoked not frequently enough to make it annoying.
People's preferences are many, multidimensional, internally inconsistent, and dynamic. I am not quite sure what do you want to correlate to a single numerical value of "utility".
Why are you considering only these two options?
The connection is that what is a "better" voting system depends on the context, context that includes things like rule of law, etc.
You're raising some valid questions, but I can't respond to all of them. Or rather, I could respond (granting some of your arguments, refining some, and disputing some), but I don't know if it's worth it. Do you have an underlying point to make, or are you just looking for quibbles? If it's the latter, I still thank you for responding (it's always gratifying to see people care about issues that I think are important, even if they disagree); but I think I'll disengage, because I expect that whatever response I give would have its own blemishes for you to find.
In other words: OK, so what?
Some people find blemish-finding services valuable, some don't :-)
Fair enough. Thanks. Again, I agree with some of your points. I like blemish-picking as long as it doesn't require open-ended back-and-forth.