There is a saying that goes that "The queen of all science is physics". I will borrow that and say that "That the queen of all interests is writing". One must have a deep appreciation for an interest in order to write about it. The writer gets much satisfaction out of researching their interests to obtain more expertise in their field. And this is the reason I write, to learn more about the subjects that interests me.
Writing is more than informing the reader. It is a journey for the writer. The journey involves many curves, mind disciplines, new relationships and produces other surprises along the way. It is form and perhaps the very first form of creation.
Open any book and the first page acknowledges others who assisted in producing the book. Many times the author dedicates the book to the people who assisted them.