I think a lot of commenters are missing the point of this site. It's an opinionated collection of books they think should be weeded. They're specifically talking about libraries trying to provide information to the general public. They explain (emphasis mine):
> Weeding is an essential component of library collection management. Most libraries simply do not have unlimited space, and we must continually make room for new materials. Weeding is necessary to remain relevant to our users and true to our missions. Remember – *unless your library exists to archive and preserve materials for the ages*, we are not in the business of collecting physical things. We collect information and provide access to information. We love books as much as anyone else, and sometimes hard decisions have to be made. How many times have you said, “But I just bought that!” and then realized it was ten years ago?
> Weeding is an essential component of library collection management. Most libraries simply do not have unlimited space, and we must continually make room for new materials. Weeding is necessary to remain relevant to our users and true to our missions. Remember – *unless your library exists to archive and preserve materials for the ages*, we are not in the business of collecting physical things. We collect information and provide access to information. We love books as much as anyone else, and sometimes hard decisions have to be made. How many times have you said, “But I just bought that!” and then realized it was ten years ago?