Earlier quoted context omitted.
Making unauthorized copies of copyrighted material is infringement. That is why you weren't allowed to photocopy entire books before electronic distribution was viable. IA isn't on solid ground here.
Nobody in this thread is discussing IA's massive violation of privacy and the way it entirely ignores GDPR as well. They won't survive any serious privacy protections in the US, it'll destroy their archive top to bottom, as they have no idea what's in it and it opens them up to unlimited liability for privacy violations. First their content knowingly violates copyright in an across the board way (they have no permiss…
A lot of people seem to think IA has some special exemption to do so because they're a library (by some definitions) and are, in general, a valuable resource. But really they do it by being a non-profit, voluntarily respecting robots.txt (even retroactively), and generally taking stuff down when asked.