Because having one thing is never good. IA goes down then what? Also archive.today captures websites differently which can work in a pinch when IA fails to archive a site.
It does more to handle client-side rendering than archive.org, so there are pages that could be rendered by today that were not archivable by org. Also, because of differing usage patterns, it has archives of pages that org didn’t, and even for pages that org does have, at times org doesn’t.
It is not clear to me why archive.today is so important given the continuing existence of archive.org.
Because having one thing is never good. IA goes down then what? Also archive.today captures websites differently which can work in a pinch when IA fails to archive a site.
Altering the content of the archive certainly is different. And is undeniably worse.
It does more to handle client-side rendering than archive.org, so there are pages that could be rendered by today that were not archivable by org. Also, because of differing usage patterns, it has archives of pages that org didn’t, and even for pages that org does have, at times org doesn’t.