You and Joe Biden ought to check your calendars; it's been the 21st century for well over a decade now.
Also, real libraries have old and out-of-print books, rare books, maps, art collections, local publications and artifacts, and plenty of things that are highly unlikely ever to be digitized, or which history -- and historians! -- demand be kept for the public good. In this information age, we need librarians more than ever. Get rid of libraries and you scrap civilization itself.
These so-called "smart telephones" aren't telephones at all; they are computers. Computers that you cannot control. And if you aren't, who is?
Some folks thought Richard Stallman was crazy for saying no-one should run software or use hardware that is based on clandestine (proprietary, hidden) knowledge. This latest revelation is just one reason he was right all along.
Telephones are devices that let you speak to someone (tele-, far; and phone-, sound).
The real mystery is why anyone who has the slightest clue about technology, would buy or wish to use a computer that runs software you cannot control or replace. Even the TRS-80 let you shut off the built-in Microsoft BASIC ROM, and the Apple ][ let you run something other than Integer BASIC. These allegedly "smart" so-called "telephones" seem quite brain-dead.
Numeric stability is probably not all that important when you're guessing.