And I don't know that this solves everything, but it does bite off a piece of it, in a way that I think I agree with. The further out, the more circumstances can change, and the closer up, the more practical reasoning matters (they seem to use reasoning to mean something close to practical logistics). There's probably more to it, of course, but it's a good question and good start to an answer.

1. https://www.raptitude.com/2014/02/keep-your-doing-and-your-d...