Imagine I ask you to buy a pair of shoes for yourself. Hold on… before you rush off to ask Tom Bennett where he gets his cowboy boots from, I have a (rather obvious) stipulation: you should try and find a pair that fits your feet.
Now imagine that you come back with a pair of shoes that are half a size too big. One might assume that you have utterly failed in your task.
But suppose that there were a couple of other pieces of information that you knew about. Firstly, the shoes are to be worn to a wedding you are attending this afternoon. Secondly, you would have been able to purchase a pair of perfectly-fitting shoes, but only if you had visited 10 shops in variously dispersed geographic locations.
Now that we both know this other information, it might be considered a rational decision on your part to buy a…
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