And, as multiple commenters here have noted, it's on the Internet Archive. So let's just cherish it as another print tradition that would inevitably end.
It's also where a lot of the facts on Wikipedia came from. This is a real loss.
I trust CIA over official population numbers from a lot of countries. There was a thread on here recently that pointed out a lot of countries haven't conducted an effective census in many years, if at all: https://news.ycombinator.com/item?id=46810027
(Elon Musk was the only contributor to a PAC that claimed to represent a deceased Supreme Court Justice.)
Wikipedia has other sources for most of that information. It comes from organizations like the UN, which the administration detests, and now lacks its own way of gathering that information.
A lot of stuff in Wikipedia doesn't have great references, but for the types of stats and facts in the World Factbook, it's generally quite excellent.
Reading books is still important. That has nothing to do with the CIA factbook website edition.
Archiving copies of internet-published information is important, especially when a regime lies, tries to rewrite history, and destroys knowledge and public resources regularly.
> So let's just cherish it as another print tradition that would inevitably end
Self-fulfilling prophecy, learned-helplessness doomer fallacy. It only ended because some assholes ended it.