There is a risk in accepting no risk

which is that if we keep telling people that we have no useful expertise they may believe us.

Some of my colleagues are far too keen to do this.

The Dunning-Kruger hypothesis, that in this connection someone who has had a 3 month course may feel they are very knowledgeable and be certain of many things, whereas another 4.75 years of course and then a couple of decades of practice would leave them less certain, applies here, and to several ideas of the previous government – or whoever was making things up under them.

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