But about time the Internet Archive had a US-independent backup.

Agreed!

The Internet Archive Switzerland, online at https://internetarchive.ch/, is a newly-formed Swiss non-profit foundation that will operate independently within its national context.

I think the Wikipedia Editors will have to decide whether they will add it to the existing page. The Operations section is still listing only U.S. data centers: https://en.wikipedia.org/wiki/Internet_Archive#Operations