I don't really care, but many different people, for many different reasons.
You may think this specific example, which you seem to think resembles the current publishing industry, negates my overall point, but... not even close.
> The authors of antiquity had no rights concerning their published works; there were neither authors' nor publishing rights. Anyone could have a text recopied, and even alter its contents. Scribes earned money and authors earned mostly glory unless a patron provided cash; a book made its author famous. This followed the traditional concept of the culture: an author stuck to several models, which he imitated and attempted to improve. The status of the author was not regarded as absolutely personal.
You may think this specific example, which you seem to think resembles the current publishing industry, negates my overall point, but... not even close.
https://en.wikipedia.org/wiki/History_of_books#Book_culture
> The authors of antiquity had no rights concerning their published works; there were neither authors' nor publishing rights. Anyone could have a text recopied, and even alter its contents. Scribes earned money and authors earned mostly glory unless a patron provided cash; a book made its author famous. This followed the traditional concept of the culture: an author stuck to several models, which he imitated and attempted to improve. The status of the author was not regarded as absolutely personal.