Why do you think the wayback internet archiver was hacked and DDOSed ...

They don't like when they scrub the internet only to have the wayback machine show the changes to articles, or when articles are redacted all together.

EDIT:

When the Internet Archive’s Wayback Machine was hacked in early October, it looked at first like just another email-and-password smash-and-grab. But that was followed up by repeated Distributed Denial of Service (DDoS) attacks that crippled the service. The Internet Archive was hit again on Oct. 20, “this time with the threat actors gaining access to their Zendesk support email system.” The Wayback Machine came back but as a read-only service