Imagine the same library, but it's the Unseen University's Library - you go in, grab one of any book ever written, and start reading. You've gained something!
Imagine the library is now the Library of Babel, it contains every possible book that could ever exist - https://libraryofbabel.info/browse.cgi
You've definitely lost something. You'll never hit "random" and find anything of value.
Imagine the same library, but it's the Unseen University's Library - you go in, grab one of any book ever written, and start reading. You've gained something!
Imagine the library is now the Library of Babel, it contains every possible book that could ever exist - https://libraryofbabel.info/browse.cgi
You've definitely lost something. You'll never hit "random" and find anything of value.