I found this piece excellent, despite my initial gut reaction that I'm anti-"anti-central-planning". A point I would add is that "all knobs are unfair". That is, if you have even one knob, turning it will (almost always) have effects that vary along some other axis.https://twitter.com/VitalikButerin/status/1067607840293089280 …
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It's just too hard for a knob to be neutral with respect to every possible grouping of users. How can a change (knob turn) manage to exactly equally affect people regardless of wealth, age, location, politics, etc? It basically can't.
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Thus, strict fairness is too much to ask of even a simple mechanism. And so we should be wary of the common instinct to "fix" the lack of strict fairness by adding knobs...that just increases the space for unfairness.
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A fun point that shouldn't be in the piece: "The real knob was the mechanism we picked along the way." Ie the mechanism/knob division is arbitrary: the choice of mechanism is itself a knob in some larger space. We aren't avoiding knobs, just discussing how to set them.
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Replying to @patrissimo
Of the many reasons Exit is the most important 'knob', this is one of them. If you don't like how a knob is treating you as a user, then stop being a user.
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Yup. Doors first, knobs later.
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