There should be no such thing as estimates in the field.
And there should be no hunger. No want. No car crashes. No impoliteness. No arrogance.
Obviously, there is.
In the field, there can be any number of reasons why someone would be estimating distance. For instance, if you pull back your bow when a deer goes behind a bush, and you are looking through the peep when he comes where you didn’t expect him and he walking towards you several steps before turning and giving you a good, broadside shot, you might need to estimate. In situations such as this, arrow speed can reduce the effect of a bad estimate, so I would think a faster arrow would be a good thing, other things being equal.