Having a more accurate understanding of the system doesn’t automatically make applications based on on that understanding easier to use.
2/4

Although it might have been hard for sailors to use the new model at first, the fact that it was based on a consistent and logical way of understanding meant that people could improve and develop it over time, like Kepler did.
3/4

This eventually led to applications far beyond what the old, less coherent model could do, from navigation at sea to exploring space.
4/4