This seems like a nice application of two related principles: 1) The harder it is to tell which choice is better, the less it matters which you choose, and 2) a

This seems like a nice application of two related principles: 1) The harder it is to tell which choice is better, the less it matters which you choose, and 2) a decision has value even in the absence of proof that it's the very best decision because it frees up resources for the next decision, which may be more important.