Many (most?) authors dream of finding a traditional publisher for their book. Reasons vary, but number one is the cache of saying they've "been published." Also, a traditional publisher takes care of all the business of providing editing, design, and getting the book into distribution - no extra cost to the author, and if there is, that is not a traditional publisher but a publishing services company for hire.
Ryan Lanz's The Writer's Path website features author Ryan J. Doughan's May 5, 2023, post "Why Choose Indie Publishing."