Reference books are the best candidates for being digitised. Why would you want to physically search a real physical library for hours to find a dusty forgotte

Reference books are the best candidates for being digitised. Why would you want to physically search a real physical library for hours to find a dusty forgotten book about a forgotten piece of equipment when you could just Ctrl+F and instantly find what you seek? Any other kind of book I do much rather prefer the paper version though.