Going dark alone does not very often yield results - even if the right solution comes out getting others up to speed will remove any time gained before easily.
Was a kangaroo court, is a kangaroo court. And that is what's wrong about this to resolve issues using a CoC. Harassment is of course real, and being a supportive organizations that helps and supports a victim in legal action is a better way to go.
If the archive was available under an appropriate license[0] then it'd be trivial to scrape the site and stick the files on s3. It's even got a bittorrent tracker built in.
I suppose there's no chance of getting it relicensed?
There are people on reddit working on that. If you are interested, it would be good to coordinate efforts. /r/archiveteam and /r/datahoarder are the usual hangouts for that sort of project.
Actually, they don't halt it. They just said the current
state of the investigation doesn't warrant a search or
taking the journalists/bloggers into custody.
The investigation still gives a legal umbrella for
extensive wiretapping and similar measures.
Going dark as a team is a different story.