Back in June I posted ‘In defence of paywalls (a thought experiment)‘ where I said: “When you’re driving a tanker and you see a big rock ahead – do you ask everyone on the ship to rebuild it as an aeroplane? Or do you start steering away in the hope that your part of the tanker will somehow avoid the worst?”

I’ve only just come across a piece written in the same month by Michael Nielsen which expresses the same points in a much more rigorous way during a piece on disruption in general (h/t Jo Geary). It’s well worth reading in full, but here’s how he puts it so much better than I:

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