> My thinking is that frequent partner The Library of Congress can put a stop to this by buying the Internet Archive. Make it a government body and protect all that digital content. I think these lawyers may be less inclined to sue the US Federal government.

This is the opposite approach of what I would consider a potential solution. The information should be stored in a system expensive enough to sabotage that no government will consider it. Data should be replicated as many times as possible and replicas should be as physically distributed as possible.