It seems to me like you didn’t do your homework before posting, since what you write is patently untrue. Guix is actually, primarily, a (very much functional/declarative) package manager which you can also install on top of other Linuces, even RHEL. Then there’s the Guix operating system, which is very much useful for many tasks other than developing free software.

Never tried! But I’m assuming it’s a pain indeed. Not even Signal Desktop works out-of-the-box (or maybe at all, haven’t tried either) because of Electron.

I’ve been saying this for years: Just switch to Guix.

• An official GNU project;
• Herd instead of systemd;
• Uses Linux Libre and only 100% free software;
• Big, friendly, helpful community;
• Regular meetups, unconferences and other events;
• Config is done in an established language (Scheme) instead of an idiosyncratic DSL.

Even command line video downloaders such as yt-dlp & co. have an option for proxying the request over SOCKS, and the Tor daemon provides one. IIRC you’d do something like $command --proxy socks5://127.0.0.1:9050 $url.