I’ve seen many threads suggesting products but they often don’t mention FOSS projects, which should always be preferred to corporate software. With FOSS you are already boycotting capitalism, on either side. Free and Open Source ignores borders and shouldn’t be categorized in nationalist terms, no matter where some of the maintainers happen to live.
I think the important part is about who is running the server, rather than who made the software
The fediverse is interesting in that context because each instance can decide where they set up the infrastructure or how they process data / requests. The same applies to self hosting
I saw an article that outlined which country each fediverse platform “originated” from, such as Canada for Pixelfed and Germany for Mastodon. That’s fun to know about, but otherwise not important to users compared to the instances themselves
At most it might speak to which laws will govern the project itself, but even then someone can fork a project that goes astray