Wikipedia and Google delude many into thinking all human knowledge has been made available to our immediate access.
This is a dangerous lie.
Any scholar will tell you of the vast amount of documents and artifacts completely unavailble online, or indeed impossible to easily scan or study online.
And this silent wealth pales before the oral and analog culture which, in a McLuhanian dimension, can not be simply digitized and maintain integrity.
Indeed. Resiliency is a huge argument in favour of decentralization, federation, mass reduplication. Museums and libraries ought to hold huge, durable, long term storage of digital culture, too, and in remote locations such as Svalbard.
As yet we have yet to care about making backups for essentially all of civilization. It's a serious folly, shortsightedness which posterity may curse us.
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko