Libraries still pay for each copy of a book, and in some countries royalties are paid out each time the book is borrowed. The library is not allowed to make additional copies of a book and borrow them either. Public education pays its teachers.
But overall I'm not in disagreement with you, you could say open source is done as part of the greater good and advancement of technology and computer science, and not for personal capital gain. That also means that it isn't meant to be a sustainable career path, or job that you can do full time though.
But overall I'm not in disagreement with you, you could say open source is done as part of the greater good and advancement of technology and computer science, and not for personal capital gain. That also means that it isn't meant to be a sustainable career path, or job that you can do full time though.