Earlier quoted context omitted.
I'm very worried about its backups and what happens when the next Big One hits SF. As far as I've ever been able to determine from talking to anyone at IA (e.g., Kahle, Scott), they don't really have any sort of backups that could actually be restored from in a disaster situation.
There is http://iabak.archiveteam.org , but it’s not exactly large.
IABAK stores 100 TB, or 0.2% of it.