Most of the time if it work you are making something people want, thus money is a proxy for usefulness to someone. I think that money is often a poor motivator

Most of the time if it work you are making something people want, thus money is a proxy for usefulness to someone. I think that money is often a poor motivator past some point, it’s like food, once you are satiated food loose it’s interest. But making something useful stay and keep on growing.