1. They like having a list of things to complete and being able to check everything off that list by the end of the day/week, and
2. They see things that need to be done, and they do them, recognizing that the little things are often what matter most, because they are so essential to the machine running smoothly.
For every xNTP making a grand scheme, there's a couple more xSTJs who make sure that the grand scheme is enacted, by doing the work that everyone else might consider banal.
C'est la vie!